WIDE APPLICATION: Blowout plug adapter fitting to winterize systems, RV, outdoor pipes, boat, watercraft, camper, water line, watercraft, garden hose, camper, and travel trailer by blow out method using an air compressor. EASY CONNECTION: Compatible with the most common used air compressor quick-connect(1/4inch Industrial Interchange Air Quick Connect Plug) and standard garden hose threading (3/4inch GHT Female or Male) in the US. Quick-connect attaches to air compressor to winterize lawn sprinkler systems, faucets, and plumbing to prevent damage due to freezing. LEAD-FREE: For your health and safety, our sprinkler winterizer is made of lead-free brass with frosted parts of the highest quality. Durability brass, solid and durable made assure it will last you for years. WINTERIZING PROTECTION TOOL: Easily remove water and winterize and avoid freezing pipes and lines, regent broken pipes - no costly repairs in the spring. Air is a great way to ensure all of the water is removed from the pipes and valves. Winterizing sprinkler blowout adapter allows you to get into small and tight places. Make easy to overwinter, more safe, healthy, and environmentally friendly winterization tool compared with those using antifreeze. INCLUDES: You will receive 2 piece 3/4inch male and 2 piece 3/4inch female garden hose connector and 4 O-Rings. Switch between the garden hose and the RV by just switching the 3/4inch Male or Female connector adapter, convenient and fast. colour: gold Material: brass Package Contents: 2 x Female GHT fitting 2 x Male GHT fitting 4 x Silicone gasket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.