Karcher 15 in. Universal Surface Cleaner Attachment for Gas Power Pressure Washers Rated 2600-3200 PSI - 1/4 in. Quick-Connect 8.641-035.0 - The Home Depot
Roue High Pressure Cleaner Hose Adapter M22 Quick Connector Converter Fitting For Karcher K2 K3 K4 K5 K6 K7 High Pressure Washer - Water Gun & Snow Foam Lance - AliExpress
Karcher K Series Pressure Washer Quick Release Adaptor Hose To Hose Connector | eBay