Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter FilterCor (FCP1S20P) 20"x4.5" String Wound PolyPropylene 1 Micron Sediment Filter Not intended for whole-house softening

Not intended for whole-house softening or drinking water applications where sodium content is a concern

10" Filter Housing with 3/4" NPT Ports

Verify your pump model before ordering to ensure proper fit with existing pump components and tubing assemblies

Factory replacement part ensures proper fit and performance

Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter FilterCor (FCP1S20P) 20"x4.5" String Wound PolyPropylene 1 Micron Sediment Filter Not intended for whole-house softeningHarmsco HB 20 5W 20" x 4. 5" Calypso Blue Pleated Sediment Filter Washable 5 micron pleated polyester for whole house and RO pre filtration 5 Micron Pleated Polyester Reusable 20" Big Blue The Harmsco HB 20 5W is a 20 inch pleated sediment cartridge engineered for Big Blue 20" x 4. 5" housings, offering high dirt holding capacity and extended service life through its cleanable polyester media. At 5 microns, it removes sand, silt, rust, and particulate