The adapter for Karcher is designed for use on Karcher’s K2 K3 K4 K5 K6 K7 handgun and won’t fit K1700 K1700 cube, K1800, K1900, K2000.
The pressure washer adapter converts the standard bayonet fitting on the end of handgun to 1/4 in. quick connect female fitting that can accept the 1/4 in. nozzles or lance attachments.
Made of high quality brass and rubber, this Karcher adapter is rated for use at up to 3000 PSI
Working temperature is up to 140 ℉
Please verify the compatibility first and you can find full product information on a silver date plate on your Karcher mac