【Brass Sprinkler Blowout Adapter Kit】: All Brass Dual Purpose RV sprinkler blow out adapter, certified to contain less than 0.25% lead. Durable & Flexible rubber hose more excellent corrosion resistance. | 【17 Inch Rubber Garden Hose】: 17 Inch hybrid rubber blow hose, offers extra strength and durability, allows the adapter to access tight spaces and minimizes stress on pipes and fittings.Max Pressure rating: 300 PSI. Temperature ranging: -22℉ ～ +250℉ | 【Shut Off Valve & Pressure Guage】: This rv winterizing kit comes with adjustable valve and 0-100 psi pressure gauge; You can clearly view the pressure value and adjust the airflow through the valve, no longer need to run to the air compressor to switch. | 【Standard Connection】:Equipped with standard 1/4" air quick plug and 3/4" Female and Male Garden Hose thread, easy attach air line to water lines/hose system to make an nice winterization solution.The quick connector is installed on the pipe with strong thread glue, you will no longer use to worry about air leakage (if you need to remove it, please use a heat gun to heat the plug thread and use a wrench to remove). | 【Wide Application】: Male thread plug generally used to winterize RV, campers, boat, travel trailer, motorhome and personal watercraft. Screw on our additional female-to-female converter to winterize sprinkler systems, outdoor plumbing, irrigation systems and garden hoses.