The water filter kit includes an in-line pipe filter (40 mesh screen), a 100 mesh screen, 2 pipe washers and 3 filter washers. The garden hose in-line filter connects to the high pressure washer inlet, the standard garden hose and the domestic water tap. It is essential for the home to filter sediment or debris coming from the faucet into the garden hose or pressure washer. As a pressure washer water filter, it can protect the pressure washer parts, such as pressure washer pump, water broom, underbody cleaner, pressure washer hose, gun and wand. As a garden hose filter, it can protect pressure washer parts from blocking or damage by sand and debris. 3/4" male and female thread. The maximum operation of the garden hose is 80 psi.