Amazon.com: Pressure Washer Adapter 1/4 Inch Quick Connect Compatible with Karcher K2 K3 K4 K5 K6 K7 Compatible with Stanley SLP Pressure Washers : Patio, Lawn & Garden
Amazon.com: Foam Gun Adapter for Pressure Washer, to 1/4'' Quick Connect Fitting, Only Compatible Pressure Washer Parts K2, K3, K4, K5, K6, K7 2 Pieces : Patio, Lawn & Garden
Amazon.com: M MINGLE Foam Cannon, Replacement Parts for Karcher K2, K3, K4, K5, K6, K7 Pressure Washer, with 5 Nozzle Tips, 1/4 Inch Quick Connector : Patio, Lawn & Garden
ZZHXSM K Series Adapter K2-K7 High Pressure Water Gun Joint Foam Pot Refit 1/4 Quick Connect Fitting for Karcher K2-K7 and Stanley SLP Pressure Washer Spray Guns
High-pressure Cleaner Quick Release Adapter For Karcher K K2 K3 K4 K5 K6 K7 Car Wash Tool Female Adapter - Shifters - AliExpress