Unicel FS-3053 Rectangular DE Grid Replacement Swimming Pool Filters with Top Exit Port, Full Set Compatible with Sta-Rite RELY-ON Hayward SPX4000TS NorthStar SP4000 and

Hayward SPX4000TS NorthStar SP4000 and SP4000X Series Pump Strainer Cover T-Ring 2003-2007

Fits hayward 40 gpm filter system and in-line sight glass models ec301540esnv

MATERIALS:

and underside molding

Unicel FS-3053 Rectangular DE Grid Replacement Swimming Pool Filters with Top Exit Port, Full Set Compatible with Sta-Rite RELY-ON Hayward SPX4000TS NorthStar SP4000 andUnicel FS 3053 Rectangular DE Grid Replacement Swimming Pool Filters with Top Exit Port, Full Set Compatible with Sta Rite Replacement Grid Filters: Replacement FS 3053 DE grid filter set features media with a high yarn count of fine denier fibers, which yield an optimal permeability to keep your water sparkling Optimal Performance: Grid cloth design allows for better DE caking properties and less resistance to water flow for optimal performance;