The inner diameter is 14mm, not 15mm. If your fittings are 15mm this may cause leaks. Therefore, please do not use electric pressure washers of some brands with M22 15mm accessories.
M22 to 1/4inch Quick Connector Kit. This pressure washer hose connector adapter set is used for converting M22 threaded couplings to 1/4-inch quick coupler. The maximum working pressure is 5000 PSI.
Quick Connect and Disconnect. Our water hose connect fitting is easy to connect and disconnect. This kit provides safe and fast fittings for easy assembly and disassembly. It can quick connect pressure washer tool to wand or nozzle.
Compatible with Most M22 and Quick Couplers. The pressure washer hose connector adapter is compatible with most M22 and quick couplers on pressure washers. It is suitable for spray tools, hoses, pumps, converting M22 threads on couplings to 1/4inch quick couplers.
Product Name: Pressure Washer Hose Connector Adapter Set
Material: Copper + Stainless Steel
Dimensions: 52x36mm
Dimensions: 44×24mm in a copper hue