The Harmsco WB-HB-20-5W is an economy-priced pleated polyester 5-micron sediment filter cartridge. It's ideally suited for sediment reduction on non-chlorinated water supplies. Fits in any 20" Big Blue filter housing.
Tech Specs
Size: 20" x 4.5"
Absolute micron rating: 5
Media (sq ft): 21
Maximum flow rate: 20 GPM
Filter media: Polyester plus, synthetic fiber
End caps: Pliable PVC or urethane
Shrink wrap: Standard on all Premium and WaterBetter Calypso cartridges