Pentair Dual Gradient Polypropylene Sediment Cartridge (DGD-5005-20) 4.5" X 20"

Increased depth provides very high particulate reduction.

Three times the dirt holding capacity of similar size sediment cartridges.

Fits most big blue 20-inch housings

Micron Rating - 50 micron pre-filter - 5 micron post filter

NSF Certified