For installation on the suction side of engines and pumps, GROCO SA Series raw water strainers are the ideal filtration solution for cooling water intakes for any marine engine, ac unit, or genset. The design makes them long lasting and easy to service while the variety of sizes means there is a fit for every application. In production for more than 50 years SA series strainers are designed with a durable cast acrylic sight glass, bronze head castings and the choice of flter basket materials - #304 Stainless Steel, Monel, or Non Metallic. SA strainers are offered in 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", and 3" NPT pipe sizes.