The original portable door lock: Addalock is a portable door lock that can be used on most doors that are hinged and swing inwards. Our home security door lock is designed to offer additional safety, security, and privacy in your space. | Safety at home: The Addalock door lock provides additional safety and privacy while you’re home. This lock installs in seconds without tools and can be used for apartment security, as child safety locks and is great for a secure college dorm room. | Safety on the go: Take it with you when you travel whether you are in a hotel, staying at an AirBNB or any other short term rental. Keep one in your travel bag and always stay safe with your travel lock while on vacation or on a business trip. | Authentic Addalock: The Addalock Original Portable Door Lock has a metal body that is engraved with the add-A-lock logo and comes with a red addalock storage pouch. This is how you know you have the real and original Addalock portable door lock. | Who we are: We are Rishon Enterprises Inc., the creators of The Original Addalock and the Burglabar. We have focused our time and efforts on promoting and bringing attention to safety, security and privacy for your everyday life, home or away.

CHECK YOUR FIT - Nominal size: 14x14x1; Actual size: 13 3/4"x13 3/4"x3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5. | SUPERIOR FILTRATION EFFICIENCY - Aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust. | IMPROVE INDOOR AIR QUALITY - Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms. | HIGH PERFORMING - 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest. | MADE IN THE USA - Aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications.