Using the RV Winterize Blowout Adapter Kit is and efficient. Attach the brass quick fitting to your garden hose and to an air compressor. the ball valve to expel water from your RV's plumbing system. This process helps avoid costly repairs by preventing water from freezing and expanding within the pipes, making it a must-have for winterizing. Features -Color:Assorted Color -Material:Plastic, Brass -Size:8.50X3.00X3.00cm/3.34X1.18X1.18in(Adapter) -Size:2.50X2.50X0.30cm/0.98X0.98X0.12in(Gasket) -Size:4.00X4.00X1.50cm/1.57X1.57X0.59in(Tape) -Applicable thread:1/4"Male Quick Connect Plug and 3/4" Male Thread - construction: constructed from brass and plastic material, this adapter is built to withstand harsh conditions and provide reliable performance over time -Easy to use: featuring a user-friendly manual switch, this adapter allows for simple and precise control, making it easy to manage your RV's plumbing system -Freeze resistant design: engineered to resist freezing, this adapter is good for winterizing your RV, ensuring your plumbing system remains functional in cold weather -Convenient quick connect: the quick connect feature allows for fast and easy installation, making it an essential tool for RV maintenance -Secure connection: the flange threaded connection provides a robust and secure fit, preventing leaks and ensuring a stable installation Package list: 1 x Adapter 2 x Gaskets 1 x Tape