Karcher Universal Garden Hose Connector for Electric Pressure Washers, Steel, 1/4-Inch Fitting, Compatible with Multiple Brands in the Pressure Washer Parts department at Lowes.com
Pressure Washer Hose Fittings Guide – YAMATIC®
Quick Release Coupler Connector Fitting for High Pressure Washer Gun & Hose G1/4 | eBay
M22 Adapter High Pressure Washer Hose Adapter Pressure Pipe Quick Connector Converter Fitting For K Series Pressure Washer
NPT 1/4" x 3/8" male high pressure hose fitting | SeaWater Pro