Harmsco WB-HB-20-20W Calypso Blue WaterBetter Polyester
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Harmsco WB-HB-20-20W WaterBetter Polyester Filter Cartridge

SKU: WB-HB-20-20-W


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The Harmsco WB-HB-20-20W is an economy-priced pleated polyester 20-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: 20
  • 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
  • Temperature: Up to 140°F (60°C)
  • Center Tubes: ABS or PVC

In the Box

  • 1 x Harmsco WB-HB-20-20W WaterBetter Polyester Filter Cartridge

Limited Warranty

Harmsco warrants their products to be free of material and workmanship defects. Determination of suitability of Harmsco products for uses and applications contemplated by Buyer shall be the sole responsibility of Buyer. The end user/installer/buyer shall be liable for the product’s performance and suitability regarding their specific intended applications. End users should perform their own tests to determine suitability for each application.