Camco Plastic Water System Blow Out Plug w/ Schrader Valve 36133 09-0036

It fits RV fresh water inlet to clear water lines prior to winterizing. It includes schrader valve connection for connecting compressor. Completely clear your water lines with RV blow-out plugs. Screw the plug into the city water inlet, open all drains and faucets, attach and activate air pump until all lines are clear.