100% Premium Brass with Blue Nylon Filter Holder, Accepted with 1/2 or 3/4 Bore. Pressure Washer Suction Filter This filter protects your pressure washer from sucking up large chunks of dirt and blocking the internal filters, causing damage. Supply clean water to the pump and increase the volume of the machine. Fits inline between the water inlet hose. Professional Design The suction filter has a heavy bottom design that does not float and can be directly sunk into the ground. It is convenient to use. Scope of Use Pressure Washer Suction Filter Water for use on a pressure washer or other garden, home, or campervan appliances that need to be protected from contaminated water.