Harmsco "Polyester-Plus" 10" x 4.5" - Calypso Blue Pleated Sediment Cartridge - 12 SqFt
Harmsco Polyester-Plus 10" x 4.5" Calypso Blue Pleated Sediment Cartridge - 12 SqFt
Engineered for Extended Service and Lower Operating Cost
Maximum Surface Area
12 square feet of pleated Polyester-Plus media delivers lower initial pressure drop and longer filter runs between change-outs than standard cartridges
Cleanable and Reusable
Rinse and reuse in most applications and micron ratings. Lower consumable costs and reduced maintenance downtime compared to disposable cartridges
Thermally Bonded Construction
End caps thermally bonded to media ensure superior sealing and prevent bypass. Color-coded Calypso Blue cap for easy micron identification
High Flow Capability
Supports up to 12 GPM with minimal pressure loss. Engineered for whole-house, well water, and commercial filtration systems demanding sustained performance
FDA & NSF Compliant
Manufactured from FDA-approved materials and NSF 61 certified for potable water contact. Safe for all residential and commercial drinking water applications
Technical Details
Fits Standard 10" Big Blue Housings
This Harmsco cartridge fits any standard 10" x 4.5" Big Blue filter housing. Compatible model numbers include HB-10-0.35W, HB-10-1W, HB-10-5W, HB-10-10W for various micron ratings. Designed for whole-house filtration systems, well water applications, and commercial installations requiring sediment removal with high flow capacity.
Service Schedule
Visual Inspection
Check cartridge for sediment loading and pressure drop. Monitor system flow rate for signs of fouling or reduced performance
Cleaning
Remove cartridge and rinse pleats with clean water. Use mild acid or approved cleaning solution for stubborn deposits. Air dry before reinstalling
Cartridge Replacement
Replace when cleaning no longer restores flow or when media shows wear. Service life varies by water quality and sediment load
Whole-House Protection
High flow and capacity for entire home filtration
Lower Operating Costs
Cleanable design reduces consumable expenses
Fewer Change-Outs
Extended service life minimizes maintenance
Commercial Grade
Engineered for demanding applications
