O-ring For Karcher K2 K3 K4 K5 K6 K7 Lance Hose Nozzle Spare O-ring Seal 2.640-729.0 Rubber O-ring Pressure Washer. Heavy Duty Karcher O-rings For Pressure Washers And Steam Cleaners. Compatible With Kärcher K2, K3, K4, K5, K6, And K7 Pressure Washers.
