Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 21mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 18-20mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 22mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 20-21mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 2x 22mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 20-21mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

2x 27mm widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 25-26mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains 2x blue valves, 2x 14mm widemouth flange for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motif Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 12-13mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free and BPS free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; If it drops to the bottom of the dishwasher, it will melt just like other brands of pump parts. Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 13mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 12-13mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 14mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 12-13mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 15mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 13-14mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 16mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 13-14mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 17mm widemouth flange and 2nd Gen. Pink Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 15-16mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 17mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 15-16mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 18mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 16-17mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 19mm widemouth flange and 2nd Gen. Pink Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 17-18mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 19mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 17-18mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 20mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 18-19mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 21mm widemouth flange and 2nd Gen. Pink Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 19-20mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 21mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 19-20mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 24mm widemouth flange and 2nd Gen. Pink Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 22-23mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher top-rack safe; Steam safe cleaning

CONTENTS: 2x Backflow Protector (including 2 large caps, 2 small caps, and 2 silicone diaphragms.) 6x duckbill valve and 2 x silicone membrane and 2x tube. Maymom pump parts can replace Spectra backflow protector, Spectra duckbill valve, Spectra tubing, Spectra membrane. Not original spectra pump parts. Not original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 pump parts. | COMPATIBLE with Spectra S1 Spectra S2 Spectra S3 Spectra 9 Plus breast pump (The duckbill valves also compatible with Spectra Dew 350). See photo illustrations for compatible breastpumps. Not original Spectra S1 accessories, Spectra S2 accessories, Spectra S3 accessories, Spectra Duckbill Valves, Spectra Membranes. | SAME SUCTION POWER AS OEM PARTS. Maymom duckbill valves are compatible with Spectra Flange and Maymom flange. Maymom silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details. The tubing is also suitable for Ameda Mya Portable and Ameda Mya Pro pumps. | CLOSED SYSTEM: With Maymom backflow protectors, no milk will enter the tubing, so the tubing will remain clean. The breastpump parts can be cleaned with water steam or boiling water. | BPA/DEHP FREE. IN RETAIL PACK. Comply with EU and FDA regulations for plastic materials that contact food. Test reports are conducted by independent lab and available for reference. All items packaged in retail pack, sealed by manufacturer Maymom.

CONTENTS: 6x duckbill valve and 4 x silicone membrane. Maymom replacement pump parts compatible with spectra duckbill valve and spectra silicone membrane. Not Original Spectra S2 Replacement Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 Parts. | COMPATIBLE with Spectra S1 Spectra S2 Spectra 9 Plus breast pump (The duckbill valves also compatible with Spectra Dew 350). See photo illustrations for compatible breastpumps. Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membranes. | SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra Flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details. | OPTIMIZE PUMP PERFORMANCE. Replace silicone membrane, duckbill valve regularly to optimize the performance of your breastpump. Parts available in white, pink, blue, orange to match diffrent colors of your pump. | BPA/DEHP FREE. IN RETAIL PACK.; Comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items packaged in retail pack, sealed by manufacturer Maymom. Can be cleaned with boiling water or water steam.

CONTENTS: 6x duckbill valve and 4x silicone membrane. Maymom replacement pump parts compatible with spectra duckbill valve and spectra membrane. Not Original Spectra Pump Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 Parts. | COMPATIBLE with Spectra S1 Plus Spectra S2 Plus Spectra 9 Plus breastpump (The duckbill valves also compatible with Spectra Dew 350). Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membrane Replacement. | SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protector, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. | OPTIMIZE PUMP PERFORMANCE. Replace your silicone membrane, duckbill valves regularly to optimize the performance of your breastpump. Parts available in white, pink, blue, orange to match diffrent colors of your pump. | BPA/DEHP FREE. IN RETAIL PACK.; comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items are packaged in retail pack and sealed by the manufacturer Maymom. Can be cleaned with boiling water or water steam.

CONTENTS: 8x duckbill valve and 2x silicone membrane. Replacement pump parts compatible with spectra duckbill valve and spectra membrane. Not Original Spectra Pump Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3, Spectra Synergy Gold Parts. | COMPATIBLE with Spectra S1 Plus Spectra S2 Plus Spectra 9 Plus breastpump (The duckbill valves also compatible with Spectra Dew 350), spectra Synergy Gold breast pumps . Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membrane Replacement. | SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protector, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. | OPTIMAL PUMPING PERFORMANCE. Replace your silicone membrane, duckbill valves regularly to optimize the performance of your breastpump. Parts available in white, pink, blue, orange to match diffrent colors of your pump. | BPA/DEHP FREE. IN RETAIL PACK.; comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items are packaged in retail pack and sealed by the manufacturer Maymom. Can be cleaned with boiling water or water steam.

CONTENTS: x duckbill valve and x silicone membrane. Replacement pump parts for spectra duckbill valve and spectra membrane. Not Original Spectra Pump Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 Parts. | COMPATIBLE with Spectra S1 Plus Spectra S2 Plus Spectra 9 Plus breastpump (The duckbill valves also compatible with Spectra Dew 350). Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membrane Replacement. | SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protector, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. | OPTIMIZE PUMP PERFORMANCE. Replace your silicone membrane, duckbill valves regularly to optimize the performance of your breastpump. Parts available in white, pink, blue, orange to match diffrent colors of your pump. | BPA/DEHP FREE. IN RETAIL PACK.; comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. Test reports available for reference. All items are packaged in retail pack and sealed by the manufacturer Maymom. Can be cleaned with boiling water or water steam.

Contains 2x 25mm widemouth flanges compatible with Spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 22-24mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement.. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

"Product Content: 25mm Flange (x2 Standard Plus Flange), Backflow Protector(x2), Tube(x2), Duckbill Valve (x2), Bottle with a Two-Piece Travel Cap (x2). All Products compatible with Spectra 9+, Spectra S1, Spectra S2 Breastpump. This kit does NOT include Dome Caps and Nipples. | "Maymom-made products. Not Original Spectra S1 Accessories. Not Original Spectra S2 Accessories. Not Original Spectra Pump Parts. All pump parts made by Maymom LLC. | "Maymom pump parts perform as well as OEM parts. Interchangeable and compatible with Spectra pump parts. Ideal Spectra replacement for Spectra Duckbill Valve (Spectra Valve), Spectra Backflow Protector, Spectra flange, Spectra Tubing, Wide-Neck Spectra Bottle. Maymom flange size available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm. | "The two-piece cap of Maymom bottle features rewritable surface top for labeling date or baby's name for daycare or daily storage use. Write with regular ball pen or dry erase marker. Erase with soapy water. | "Comply with FDA regulations for plastic materials that contact food. Material does NOT contain BPA. Can be sanitized with, boiling water, water steam or microwave-steam bags.

Kit Contents: 2 Flanges (15mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with One-Piece Travel Cap). Work with Spectra S2, Spectra S1, Spectra 9 Plus Breastpump. Nipples and Dome Caps are NOT included in this kit | All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts | Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm | The One-piece cap of Maymom bottle includes sealing ring for secure seal. NO waste of milkdrop. Design for travel and storage of formula or breast milk. It's also perfect to convert baby feeding bottle to snack container or tumbler for mommy | The One-piece cap of Maymom bottle includes sealing ring for secure seal. NO waste of milkdrop. Design for travel and storage of formula or breast milk. It's also perfect to convert baby feeding bottle to snack container or tumbler for mommy

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 28mm widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nippie diameter 26-27mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom Wide Neck Breastmilk Collection n Storage Bottle 5.4 oz; 8 bottles/pack . Compatible with Spectra S2 Spectra S1 Spectra 9 Plus widemouth flanges and the bottle holder on the pump for pumping convenience. | SureSeal Sealing Disk Included - 100% leak free | Embossed Measurements - No more faded measurement markings | Locking Tab Design - No more fallen bottles during pumping | Made of Thick Semi Transparent PP and it is BPA Free Material - Safe around babies; The bottle features a thick wall so it is SEMI-transparent. If you are looking for a complete transparent one, this listing is not for you.

2x 28mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 26-27mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 17mm widemouth flanges for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Not for every mother. Talk to your lactation consultant before purchase. | BPA free, DEHP free; Complies with US FDA regulation for plastics that contact foods.

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 30mm widemouth flange Compatible with Spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nippl diameter 27-29mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 32mm widemouth flange compatible with Spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nippie diameter 29-31mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 17mm standard wide mouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 13mm widemouth flanges for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter 11-12mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Contains TWO Flange. 2x 20mm widemouth flange Compatible with Spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 18-19 mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher top rack safe. Can be cleaned with water steam or boiling water.

Maymom 2x 21mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 23mm widemouth flanges compatible with spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam cleaning safe.

Contains TWO Flange. 2x24 mm Maymom widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x mm widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nippie diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;