RV Winterize Blowout Adapter with 1/4" Quick Connect Plug and 3/4" Garden Wat...

Garden Water Hose Threading, Winterize Quick Adapter with Ball Valve for Boat Camper Trailer Sprinkler Systems Irrigation Kit Fitting. HIGH-QUALITY MATERIAL: This RV Winterize Blowout Adapter is made from brass which is durable and it can withstand high temperature.

eBay