The winterize blowout adapter is made of high quality heavy duty brass metal material， durable and it is not easy to break or deform， can serve you longer time.

2 pcs 1/4 inch male quick connecting plug & 3/4 inch male and female GHT thread & 2 pcs 1/4 Inch ball valve & 2 pcs teflon tape. Standard threading connector， 1/4" quick connect air compressors and 3/4" fitting garden hose threading (male and female) commonly found in North America.

Easy operation quick adapter fitting， screw the water lines to the female or male threading side， then connect the quick plug to an air compressor line's female quick coupler. Turn on the air compressor， rotate around ball valve's stem to open/close and modulate the air flow velocity to blow out the water from the water lines.

Suitable for most water system - RV boat camper travel trailer such vehicles which with water supply system. Use to blow out/winterize any water system with an male garden hose thread， like garden hose， faucets， sprinkler systems and outdoor water lines.