Unicel FG-1004 48 SqFt Single DE Grid Replacement Pool Filter Compatible with Pentair, American, Hayward, Pac-Fab, Sta-Rite and More Bio-MAXX and all are packed with

and all are packed with a gunite/plaster shield

which yield an optimal permeability to keep your water sparkling

CSA International (as marked)

Same water velocity through all tubes for faster heating

Unicel FG-1004 48 SqFt Single DE Grid Replacement Pool Filter Compatible with Pentair, American, Hayward, Pac-Fab, Sta-Rite and More Bio-MAXX and all are packed withUnicel FG 1004 48 SqFt Single DE Grid Replacement Pool Filter Compatible with Pentair, American, Hayward, Pac Fab, Sta Rite and More Replacement Grid Filter: Replacement FG 1004 DE grid 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; Longer