Action Machining Clear Action Filter Unit 1-1/2 in. 50 Mesh. The Action Machining Clear Action Sprinkler Irrigation Filter 60 GPM 1-1/2 in. is an efficient way to keep your pools clean without getting your hands dirty. Made from high-quality material, this filter offers lasting durability. It is designed to obstruct debris while letting clean water flow freely through it. The filter can easily handle high pressures associated with secondary water. It has an extended bowl for extracting debris.