Groco RSC Bronze Round Hull Strainer With Access 

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marine growth. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Size: 3.63" Dia.", Max Thru-Hull: 1", Fastener: 4-#10, Case: 4