Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter Intelifil (FI-GAC010BB/3) 10"X4.5" Big Blue (GAC) Granular Activated Carbon Filter built-in storage

built-in storage

plus wall bracket and filter wrench included for immediate installation

then rinse thoroughly

Verify your membrane housing is designed for 4" x 40" elements and rated for at least 100 psig operating pressure before installation

Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter Intelifil (FI-GAC010BB/3) 10"X4.5" Big Blue (GAC) Granular Activated Carbon Filter built-in storageHarmsco 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