Prevent harmful debris from potentially clogging and damaging emitters with the Y filter. Inside the Y filter is a 150-mesh polyester filter screen to block particulates, and can be removed from the housing for cleaning as needed. The Y filter also features a convenient flush valve that flushes water and debris out of the filter to protect the drip system. Connects to a 1 in. FPT connection point on the water supply line. The device has a flow range from 0 to 10 GPM. The Y filter is made of ABS and the filter screen is made of durable polyester.