HB-20-1W Premium Grade Calypso Blue/20″ – 1 Micron

Minimum quantity for purchase:  1

$199.52 (4 per case @ $49.88/each)

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SKU: HB-20-1W Category: Tags: ,


The HB-20-1W cartridge filter is a nominally rated “Calypso Blue Premium Grade” filter manufactured by Harmsco Filtration. The filter is 4.5″ in diameter and has a particle retention rating of 1 micron. The filter is 20″ in length and has 26 sq. ft. of NSF 62 Certified Polyester Cellulose filter media. This filter is a double open end, (DOE) configuration. Filters are individually wrapped in cases of 4.


Weight 6 lbs
Dimensions 10 × 10 × 21 in
Cartridge Length

Nominal Micron Rating



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Calypso Blue Filters

See the Calypso Blue Specifications Sheet for more info.