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  1. Big Blue Water Filter Cartridge
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  3. 20 Inch Big Blue Sediment Filters
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  • Watts 20" x 4.5" Sediment Filter - 5 Micron

    (FPMB-BB5-20)

    …Flow filter cartridges are compatible replacement filters for Pentek Big Blue filters as well as Culligan filters. These water filters and the Watts Full Flow filters feature a higher flow rate and dirt-holding capacity than standard sized sediment water filter cartridges. This Watts water filter

    Related Items: Big Blue Filter Cartridge
    As Low As: $ 37.95
    Retail:$49.99
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    $12.04 (25%)
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  • Pentek S1-20BB Whole House Water Filter- 20 Micron

    (S1-20BB)

    …There is no longer any nylon netting encasing the filter. The Pentek S1-20BB Replacement Fits Standard Size #20 Big Blue housings housings from Pentek, Culligan, Ametek, US Filter, and Plymouth Products, Or Any Housing That Uses 4-1/2"x20" Cartridges. If you don't see your model number check with…

    As Low As: $ 26.55
    Retail:$39.61
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    $13.06 (33%)
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  • Watts 20" x 4.5" Water Filter - 50 Micron 12-Pack

    (FPMB-BB50-20)

    …replacement filters for Pentek Big Blue filters as well as Culligan filters. These sediment water filters and the Watts Full Flow filters feature a higher flow rate and dirt-holding capacity than standard sized sediment water filter cartridges. This Watts water filter fits most water filter housings…

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    Related Items: 20 X 4.5 Water Filter
    Our Price: $ 395.40
    Retail:$519.96
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    $124.56 (24%)
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  • Pentek ECP50-20BB 20" Sediment Filter

    (ECP50-20BB)

    …and polyester this filter is recommended for use with chlorinated water only. ECP Series cartridge end caps feature a color-coding system for easy identification of micron ratings: Tan (1-micron), White (5-micron), Blue (20-micron), Yellow (50-micron). The new ECP cartridges contain more media…

    Related Items: Us Filter
    As Low As: $ 31.30
    Retail:$48.11
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    $16.81 (35%)
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  • Watts 20" x 4.5" Water Filter - 20 Micron

    (FPMB-BB20-20)

    …replacement filters for Pentek Big Blue filters as well as Culligan filters. These sediment water filters and the Watts Full Flow filters feature a higher flow rate and dirt-holding capacity than standard sized sediment water filter cartridges. This Watts water filter fits most water filter housings…

    As Low As: $ 43.95
    Retail:$54.99
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    $11.04 (21%)
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  • Watts 20" x 4.5" String Wound Filter - 20 Micron

    (SF20-20-425)

    filter cartridges are compatible replacement filters for Pentek Big Blue filters as well as Culligan filters. These Full Flow water filters feature a higher flow rate and dirt-holding capacity than standard sized (2 1/2") sediment water filter cartridges. This Watts string wound filter cartridge

    Related Items: Big Blue Filter Cartridge
    As Low As: $ 33.95
    Retail:$49.99
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    $16.04 (33%)
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  • Pentek 20" PP String Big Blue Sediment Filter-100M

    (WPX100BB20P)

    The Pentek WPX100BB20P Poly String Wound Big Blue Sediment Filter Cartridge is a 20" fibrillated polypropylene wound water filter used for whole house filtration. The advanced string wound design of the Pentek WPX100BB20P allows it to capture sediment, dirt, rust, limescale, silt, sand, and other…

    Our Price: $ 48.36
    Retail:$60.01
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    $11.65 (19%)
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  • Pentek ECP20-20BB 20" Sediment Filter

    (ECP20-20BB)

    …polyester this filter is recommended for use with chlorinated water only. Part number 255495. ECP Series cartridge end caps feature a color-coding system for easy identification of micron ratings: Tan (1-micron), White (5-micron), Blue (20-micron), Yellow (50-micron). The new ECP cartridges contain…

    Related Items: Big Blue 20 Filter
    As Low As: $ 26.29
    Retail:$48.17
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    $21.88 (46%)
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  • Watts 20" x 4.5" String Wound Filter - 5 Micron

    (SF5-20-425)

    Big Blue filters as well as Culligan filters. These Full Flow water filters feature a higher flow rate and dirt-holding capacity than standard sized (2 1/2") sediment water filter cartridges. This Watts string wound filter cartridge fits most water filter housings that require 20" water filters (20"…

    As Low As: $ 34.95
    Retail:$49.99
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    $15.04 (31%)
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  • Pentair DGD-2501-20, 155360-43 Sediment Water Filter Cartridge

    (DGD-2501-20)

    …following contaminants: Chlorine Taste and Odor Reduction Resources: Pentek DGD Series Product Manual 155360-43, Any 20-inch length by 4.5-inch diameter housings, Culligan 20-inch Big Blue housings, US Filter 20-inch Big Blue housings, Ametek 20-inch Big Blue housings, (DGD-2501-20 / DGD-2501-20)

    Related Items: Big Blue 20 Filter | Dgd-2501
    As Low As: $ 26.30
    Retail:$43.35
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    $17.05 (40%)
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  • Pentek DGD-7525-20 Replacement for Pentek GD-7520-20BB

    (555468-43)

    …Pentek DGD-7525-20 Dual Gradient Filter, 25 Micron is a replacement water filter cartridge that operates as a pre- and post-filter, eliminating the need for step-down filtration systems in your home. The filtration media of this Pentek Big Blue Sediment Filter delivers superior purity without…

    Related Items: Big Blue Filter Cartridge | Dgd
    As Low As: $ 27.95
    Retail:$39.99
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    $12.04 (31%)
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  • Filbur 20-41205 Replacement for Culligan 20" Housings

    (20-41205)

    …20" water filter should be changed every six months based on water quality and usage. This filter is an economical replacement for Pentek Big Blue filters, Culligan 20" large filters, and US Filter / Ametek 20" filters. Pentek ECP5-20BB Big Blue Filter, Harmsco HB-20-5W Big Blue Filter, (20-41205…

    Our Price: $ 34.95
    Retail:$48.99
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    $14.04 (29%)
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