Filter out harmful particles in the water before they clog or damage emitters with the Y filter with 150-mesh polyester filter screen. The Y filter contains a flush cap that can be removed to flush water and debris through; the filter screen can also be removed from the housing to clean. Connect the Y filter 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.