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20 Inches Long x 4.5 Inches Wide Big Blue Water Filters

Used in Whole House Systems, Commercial Filter Systems, and many other Water Filter Systems
  • Pentek OAC-20BB Oil Reduction Filter

    Pentek OAC-20BB Oil Reduction Filter

    (Retail Price: $112.79 ) $93.99
  • Pentek PCC-106 Phosphate Crystal Water Filter Insert

    Pentek PCC-106 Phosphate Crystal Water Filter Insert

    (Retail Price: $27.99 ) $20.59
  • Pentek CRFC-20BB Chloramine Reduction Water Filter

    Pentek CRFC-20BB Chloramine Reduction Water Filter

    (Retail Price: $151.99 ) $125.69
  • Tier1 4.5-Inch OD X 20-Inch L White Empty Filter Cartridges

    Tier1 4.5-Inch OD X 20-Inch L White Empty Filter Cartridges

    (Retail Price: $23.99 ) $19.99
  • 20 X 4.5 Pleated Cellulose Polyester Replacement Filter by Tier1 (5 micron) (50-Pack)

    20 X 4.5 Pleated Cellulose Polyester Replacement Filter by Tier1 (5 micron) (50-Pack)

    $746.99

  • 20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron) (12-Pack)

    20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron) (12-Pack)

    $191.99

  • 20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron) (12-Pack)

    20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron) (12-Pack)

    $162.99

  • Pentek DGD-7525-20 Polypropylene Sediment Water Filter Replacement by Tier1 (12-Pack)

    Pentek DGD-7525-20 Polypropylene Sediment Water Filter Replacement by Tier1 (12-Pack)

    $206.99

  • Tier1 P1-20BB Sediment Water Filter (12-Pack)

    Tier1 P1-20BB Sediment Water Filter (12-Pack)

  • Hydronix SDC-45-2010 Polypropylene Sediment Water Filter Replacement by Tier1 (12-Pack)

    Hydronix SDC-45-2010 Polypropylene Sediment Water Filter Replacement by Tier1 (12-Pack)

    $181.99

  • 10 X 2.5 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron) (12-Pack)

    10 X 2.5 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron) (12-Pack)

    $45.99

  • Pentek DGD-5005-20 Polypropylene Sediment Water Filter Replacement by Tier1 (12-Pack)

    Pentek DGD-5005-20 Polypropylene Sediment Water Filter Replacement by Tier1 (12-Pack)

    $188.99

  • 20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron) (6-Pack)

    20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron) (6-Pack)

    $107.99

  • Hydronix SDC-45-2010 Polypropylene Sediment Water Filter Replacement by Tier1 (50-Pack)

    Hydronix SDC-45-2010 Polypropylene Sediment Water Filter Replacement by Tier1 (50-Pack)

    $632.99

  • Pentek DGD-5005-20 Polypropylene Sediment Water Filter Replacement by Tier1 (25-Pack)

    Pentek DGD-5005-20 Polypropylene Sediment Water Filter Replacement by Tier1 (25-Pack)

    $366.99

  • SWC-45-1005 Hydronix Comparable 10-Inch x 4.5-Inch String-Wound Filter by Tier1 (6-Pack)

    SWC-45-1005 Hydronix Comparable 10-Inch x 4.5-Inch String-Wound Filter by Tier1 (6-Pack)

    $75.99

  • SPC-45-2020 Comparable Hydronix Pleated Sediment Water Filter by Tier1 (6-Pack)

    SPC-45-2020 Comparable Hydronix Pleated Sediment Water Filter by Tier1 (6-Pack)

    $107.99

  • 20 X 4.5 Radial Flow Granular Activated Carbon Replacement Filter (25 micron)

    20 X 4.5 Radial Flow Granular Activated Carbon Replacement Filter (25 micron)

    (Retail Price: $57.99 ) $49.99
  • 20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron) (25-Pack)

    20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron) (25-Pack)

    $349.99

  • 20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron) (25-Pack)

    20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron) (25-Pack)

    $318.99

  • Pentek DGD-7525-20 Polypropylene Sediment Water Filter Replacement by Tier1 (25-Pack)

    Pentek DGD-7525-20 Polypropylene Sediment Water Filter Replacement by Tier1 (25-Pack)

    $401.99

  • Tier1 P1-20BB Sediment Water Filter (25-Pack)

    Tier1 P1-20BB Sediment Water Filter (25-Pack)

  • Hydronix SDC-45-2010 Polypropylene Sediment Water Filter Replacement by Tier1 (25-Pack)

    Hydronix SDC-45-2010 Polypropylene Sediment Water Filter Replacement by Tier1 (25-Pack)

    $355.99

  • 20 X 4.5 Pleated Cellulose Polyester Replacement Filter by Tier1 (5 micron) (25-Pack)

    20 X 4.5 Pleated Cellulose Polyester Replacement Filter by Tier1 (5 micron) (25-Pack)

    $430.99

  • 20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron) (6-Pack)

    20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron) (6-Pack)

    $86.99

  • Pentek R30-20BB Pleated Polyester Water Filters (100-Pack)

    Pentek R30-20BB Pleated Polyester Water Filters (20-inch x 4-1/2-inch) (100-Pack)

    $2,029.99

  • Hydronix SPC-45-2050 20 x 4.5 inch Pleated Sediment Water Filter 6pk

    Hydronix SPC-45-2050 20 x 4.5 inch Pleated Sediment Water Filter 50 Micron (6-Pack)

    $134.99

  • Hydronix SDC-45-2020 Sediment Polypropylene Water Filter Cartridge 6pk

    Hydronix SDC-45-2020 Sediment Polypropylene Water Filter Cartridge (6-Pack)

    $139.99

  • Hydronix SDC-45-2010 Sediment Polypropylene Water Filter Cartridge 6pk

    Hydronix SDC-45-2010 Sediment Polypropylene Water Filter Cartridge (6-Pack)

    $112.99

  • Hydronix SDC-45-2005 Sediment Polypropylene Water Filter Cartridge 6pk

    Hydronix SDC-45-2005 Sediment Polypropylene Water Filter Cartridge (6-Pack)

    $129.99

  • Hydronix SDC-45-2001 Sediment Polypropylene Water Filter Cartridge 6pk

    Hydronix SDC-45-2001 Sediment Polypropylene Water Filter Cartridge (6-Pack)

    $140.99

  • Harmsco WB-HB-20-50W Pleated Commercial Water Filter Cartridge

    Harmsco WB-HB-20-50W Pleated Commercial Water Filter Cartridge

    (Retail Price: $39.99 ) $31.79
  • Harmsco WB-HB-20-20W Pleated Commercial Water Filter Cartridge

    Harmsco WB-HB-20-20W Pleated Commercial Water Filter Cartridge

    (Retail Price: $37.99 ) $29.99
  • CMB-520-HF Whole House Sediment Filter by Viqua

    CMB-520-HF Whole House Sediment Filter by Viqua

    (Retail Price: $39.00 ) $31.99
  • Pentek DGD-2501-20 Sediment Water Filters (20-inch x 4.5-inch) (6-Pack)

    Pentek DGD-2501-20 Sediment Water Filters (20-inch x 4.5-inch) (6-Pack)

    $129.99

  • Pentek DGD-5005-20 Sediment Water Filters 20-inch x 4.5-inch (50-Pack)

    Pentek DGD-5005-20 Sediment Water Filters (20-inch x 4.5-inch) (50-Pack)

    $1,199.99

  • Pentek DGD-5005-20 Sediment Water Filters 20-inch x 4.5-inch (6-Pack)

    Pentek DGD-5005-20 Sediment Water Filters (20-inch x 4.5-inch) (6-Pack)

    $146.99

  • Pentek DGD-5005-20 Sediment Water Filters (20 x 4.5-inch) (100-Pack)

    Pentek DGD-5005-20 Sediment Water Filters (20-inch x 4.5-inch) (100-Pack)

    $2,349.99

  • Pentek EPM-20BB Carbon Block Water Filter (6-Pack)

    Pentek EPM-20BB Carbon Block Water Filter (6-Pack)

    $255.99

  • Pentek EP-20BB Carbon Block Water Filters (6-Pack)

    Pentek EP-20BB Carbon Block Water Filters (6-Pack)

    $396.99

  • Pentek EP-20BB Carbon Block Water Filters (12-Pack)

    Pentek EP-20BB Carbon Block Water Filters (12-Pack)

    $756.99

  • Pentek ECP50-20BB Pleated Sediment Water Filter (6-Pack)

    Pentek ECP50-20BB Pleated Sediment Water Filter (6-Pack)

    $131.99

  • Pentek ECP5-20BB Pleated Sediment Water Filters (6-Pack)

    Pentek ECP5-20BB Pleated Sediment Water Filters (20-inch x 4-1/2-inch) (6-Pack)

    $129.99

  • Pentek ECP20-20BB Pleated Sediment Water Filters (6-Pack)

    Pentek ECP20-20BB Pleated Sediment Water Filters (20-inch x 4-1/2-inch) (6-Pack)

    $127.99

  • Pentek DGD-7525-20 Sediment Water Filters 20-inch x 4.5-inch (6-Pack)

    Pentek DGD-7525-20 Sediment Water Filters (20-inch x 4.5-inch) (6-Pack)

    $157.74

  • Aries AF-20-3690-BB Whole House Fluoride Removal Filter

    Aries AF-20-3690-BB Whole House Fluoride Reduction Filter

    (Retail Price: $171.99 ) $144.99

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