Karcher T 7 T-Racer 11 in. Maximum 2600 PSI Electric Pressure Washer Surface Cleaner Attachment for K4-K5 32 in. Wand Included 2.644-082.0 - The Home Depot
Pressure Washer Gun Adapter to 1/4'' Quick Connect Nozzle Fit Karcher LAVOR Gern | eBay
Karcher EASY!Lock Adapter No. 1, M 22 x 1.5 — 4.111-029.0