Harmsco HB-20-1W Calypso Blue Polyester Filter Cartridge softener resin 4 3/8" outside diameter

4 3/8" outside diameter

cartridge measures approx

0 psi pressure drop at 5 gpm

Big Blue filter housings are used with cartridges that measure approx

This filter cartridge is constructed with a 50-micron outer wrap and 5-micron inner core making it extremely effective on heavy sediment loads such as surface water

Harmsco HB-20-1W Calypso Blue Polyester Filter Cartridge softener resin 4 3/8" outside diameterDescription The Harmsco HB 20 1W is a pleated polyester 1 micron sediment filter cartridge. It's ideally suited for sediment reduction on non chlorinated water supplies. Fits in any 20" Big Blue filter housing. Resources Harmsco HB 20 1W Product Brochure Tech Specs Size: 20" x 4. 5" Micron rating: 1 Media (sq ft): 26 Maximum flow rate: 26 GPM Filter media: Polyester plus, synthetic fiber End caps: Pliable PVC or urethane Shrink wrap: Standard on all