What You Get: You will get 1 x 12" hose winterizing blow-off valve kit, 1 x 3/4" male and 1 x 3/4" female garden hose connector, 1 x threaded sealing tape. It is compatible with standard garden hose threads and air compressor quick connectors commonly found in North America. Multiple Uses: The winterizing kit with shut-off valve comes with 3/4 male and female garden hose connector. It is widely used for winterizing RVs, water trucks, garden hoses, RVs, boats and caravans. Female garden hose connectors are commonly used for winterizing sprinkler systems, garden hoses and pipes outdoors. Strong and Durable: All parts are made of solid lead-free brass, which greatly improves its toughness and durability. The hose section is made of flexible reinforced synthetic rubber, which has an excellent seal and is waterproof and corrosion resistant. Our accessories can help you avoid costly damage caused by frozen water lines, saving you money and time. Winter Accessories: RV winterizing blow-off kits are perfect for outdoor water systems of all types, preventing your RV from being damaged by freezing temperatures. It can be easily connected to air compressors and garden faucets to winterize lawn irrigation systems, water faucets, pipes and RVs.