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Replacement Water Filters
Filters for 20 inch Big Blue Housings
> Harmsco (HB-20-1W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 1 Micron Filter
Harmsco (HB-20-1W) 20'X4.5' Big Blue 'Calypso Blue' Pleated Sediment 1 Micron Filter
Harmsco (HB-20-1W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 1 Micron Filter
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Premium quality cartridges made of pleated polyester filter media for a long life and high dirt holding capacity
Cartridges can be cleaned and re-used in most applications and micron ratings. Available in for both 10" and 20" "Big Blue" housings.
I purchase 2 of these filters for my whole house particle filter system. They lasted almost 10 years. I would hose them off periodically to remove the crud on the outside. These two filters were in parallel with isolation valves so the house never saw un-filtered water. At 1 micron they would filter out the brown algae that came from the well. I highly recommend these filters.
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