For Karcher K2 K3 K4 K5 K6 K7 Pressure Washer Nozzle O Ring Seal Set 2.640-729.0 Replacement Spare Parts Accessories - AliExpress
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