This is a replacement Strainer Cover O-Ring for Hayward NorthStar Pumps and Easy-Clear Filters (pre-2003). Fits NorthStar models SP4007X10, SP4010X15/2 Pumps and Easy-Clear C400/550 Cartridge Filtes.r
This Hayward part is manufactured by a Poolweb partner to meet or exceed original manufacturer specifications. This item is fully compatible and interchangeable with Hayward part # CX400G.
