Fangrui Product Details Constructed Using Solid Lead-free Brass, For Safe Water Handling. This Hose Offers Flexibility And Durability, Featuring Waterproof, Heat, Cold, And - Properties, Ideal For Rv Winterization. Features Standard 1/4 Inch Air Quick Plug And 3/4 Inch Female Male Garden Hose Thread For Easy Connection To Water Lines Or Hose Systems. A Healthier, Eco-friendly Alternative To Antifreeze-based Winterizing Kits, Ensuring A Safe Winterization Process. Kit Designed For Ease Of Use, Including Thread Tape For Air Sealing, Male And Female Hose Adapters For Versatile Applications, And A Shut-off Valve To Control Air Flow And Centralize Shut-off Operations During The Winterizing Process. Suitable For A Variety Of Vehicles And Systems Including Rvs, Motorhomes, Campers, Boats, And Watercraft. Also For Winterizing Sprinkler Systems, Outdoor Plumbing, Irrigation Systems, Faucets, Hose Bibbs, And Garden Hoses. Colour: Black Material: Brass + Rubber Package Contents: 1 X Rv Winter Adapter 1 X Connector 1 X Raw Tape