QUALITY CONSTRUCTIONConstructed with solid lead-free brass, certified to contain less than 0.25% lead. 17 inch longer length provides more flexible and durable, this premium rubber air hose ID 3/8'', with waterproof, excellent heat, cold, and corrosion resistance. Helps clear the water lines in your RV during winterization and dewinterization. STANDARD CONNECTIONEquipped with standard 1/4' air quick plug and 3/4' Female & Male Garden Hose thread, easily attach the air line to water lines or hose systems to make a nice winterize solution. This is a safer, healthier, and more environmental friendly winterization tool when compared with those winterizing kits that use antifreeze. EASY TO USEYour all-in-one kit to make winterizing easy. Comes with thread tape to seal in the air, and both male and female hose adapters so you can use for whatever your situation calls for. Also includes a shut off valve so you can limit the air flow through the water lines and shut off at a central spot. MULT