Unicel FS-2003 36 Sq Ft Vertical DE Grid Replacement Swimming Pool Filter Set, Compatible with American, Hayward, Pac-Fab, Sta-Rite, & Astral Systems tool-tethering-products Meets corrosion requirements of MIL-S-461633

Meets corrosion requirements of MIL-S-461633

Hayward 100 Square Foot Versatile Replacement Pool Filter Cartridge Element for Pool

Complete grid assembly

3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided

Unicel FS-2003 36 Sq Ft Vertical DE Grid Replacement Swimming Pool Filter Set, Compatible with American, Hayward, Pac-Fab, Sta-Rite, & Astral Systems tool-tethering-products Meets corrosion requirements of MIL-S-461633Unicel FS 2003 36 Sq Ft Vertical DE Grid Replacement Swimming Pool Filter Set, Compatible with American, Hayward, Pac Fab, Sta Rite, & Astral Systems Replacement Grid Filter: Replacement FS 2003 DE grid filter set features 36 square feet of 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