General description The Water Filter with Filter Insert (5.731-050.0) is designed to protect your pressure washer pump and extend its lifespan. This essential accessory ensures that dirt particles are kept out, maintaining the efficiency of your pressure washer. Technical specifications Compatible with all Karcher K2-K7 pressure washers Also fits Lavor, Elitech, and Champion Nifisk pressure washers Water connection size: 3/4 inch Installation Unscrew the cap to loosen and clean the filter Reattach the cap to the pump after cleaning Usage Use with any pressure washer that has a 3/4 inch thread