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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
99 Results
  1. 1
  2. 2
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  • Pentek RFFE20-BB Iron Reduction Water Filter (20-inch x 4.5-inch)

    Pentek RFFE20-BB Iron Reduction Water Filter (20-inch x 4.5-inch)

    (Retail Price: $109.62 ) $73.99

    Out of stock

  • Crystal Quest 4-5/8 in x 20 in, 5-Micron Sediment Reusable Pleated Filter Cartridge

    Crystal Quest 4-5/8 in x 20 in, 5-Micron Sediment Reusable Pleated Filter Cartridge

    (Retail Price: $50.39 ) $34.50
  • Crystal Quest 4-5/8 in x 20 in, 5-Micron Carbon Block Filter Cartridge

    Crystal Quest 4-5/8 in x 20 in, 5-Micron Carbon Block Filter Cartridge

    (Retail Price: $51.59 ) $48.99
  • 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
  • Filtrex FXB20RFL Green Radial Flow Cartridges (20-inch x 4-1/2-inch)

    Filtrex FXB20RFL Green Radial Flow Cartridges (20-inch x 4-1/2-inch)

    (Retail Price: $81.83 ) $69.99
  • Crystal Quest 4-5/8 in x 20 in Multi Stage PLUS Filter Cartridge

    Crystal Quest 4-5/8 in x 20 in Multi Stage PLUS Filter Cartridge

    (Retail Price: $235.99 ) $235.00
  • Crystal Quest 4-5/8 in x 20 in Multi Stage ULTRA Filter Cartridge

    Crystal Quest 4-5/8 in x 20 in Multi Stage ULTRA Filter Cartridge

    (Retail Price: $378.00 ) $315.00
  • Crystal Quest 4-5/8 in x 20 in Multi Stage ULTIMATE Filter Cartridge

    Crystal Quest 4-5/8 in x 20 in Multi Stage ULTIMATE Filter Cartridge

    (Retail Price: $474.00 ) $395.00
  • Hydronix CB-45-2005 Replacement Carbon Water Filter 20-inch x 4.5-inch (5 Micron)

    Hydronix CB-45-2005 Replacement Carbon Water Filter 20-inch x 4.5-inch (5 Micron)

    (Retail Price: $66.99 ) $54.29
  • Hydronix SWC-45-2010 String Wound Sediment Water Filter (10 micron)

    Hydronix SWC-45-2010 String Wound Sediment Water Filter (10 micron)

    (Retail Price: $36.41 ) $25.99
  • Hydronix SPC-45-2001 20-inch x 4.5-inch Pleated Sediment Water Filter 1 Micron

    Hydronix SPC-45-2001 20-inch x 4.5-inch Pleated Sediment Water Filter 1 Micron

    (Retail Price: $48.97 ) $30.99
  • Hydronix SWC-45-2005 String Wound Sediment Water Filter (5 micron)

    Hydronix SWC-45-2005 String Wound Sediment Water Filter (5 micron)

    (Retail Price: $35.78 ) $32.99
  • Hydronix SPC-45-2020 20-inch x 4.5-inch Pleated Sediment Water Filter 20 Micron

    Hydronix SPC-45-2020 20-inch x 4.5-inch Pleated Sediment Water Filter 20 Micron

    (Retail Price: $36.68 ) $25.99

    Out of stock

  • Hydronix SPC-45-2050 20-inch x 4.5-inch Pleated Sediment Water Filter 50 Micron

    Hydronix SPC-45-2050 20-inch x 4.5-inch Pleated Sediment Water Filter 50 Micron

    (Retail Price: $31.99 ) $24.99

    Out of stock

  • Hydronix SDC-45-2010 Sediment Polypropylene Water Filter Cartridges

    Hydronix SDC-45-2010 Sediment Polypropylene Water Filter Cartridges

    (Retail Price: $34.99 ) $26.99
  • Hydronix SDC-45-2020 Sediment Polypropylene Water Filter Cartridges

    Hydronix SDC-45-2020 Sediment Polypropylene Water Filter Cartridges

    (Retail Price: $31.91 ) $25.99
  • Hydronix SWC-45-2050 String Wound Sediment Water Filter (50 micron)

    Hydronix SWC-45-2050 String Wound Sediment Water Filter (50 micron)

    (Retail Price: $36.41 ) $25.99
  • Hydronix SPC-45-2010 20-inch x 4.5-inch Pleated Sediment Water Filter 10 Micron

    Hydronix SPC-45-2010 20-inch x 4.5-inch Pleated Sediment Water Filter 10 Micron

    (Retail Price: $36.68 ) $23.99

    Out of stock

  • Hydronix SPC-45-2030 20-inch x 4.5-inch Pleated Sediment Water Filter 30 Micron

    Hydronix SPC-45-2030 20-inch x 4.5-inch Pleated Sediment Water Filter 30 Micron

    (Retail Price: $32.99 ) $25.99
  • Hydronix SWC-45-20100 String Wound Sediment Water Filter (100 micron)

    Hydronix SWC-45-20100 String Wound Sediment Water Filter (100 micron)

    (Retail Price: $36.41 ) $21.99
  • Hydronix SWC-45-2001 String Wound Sediment Water Filter (1 micron)

    Hydronix SWC-45-2001 String Wound Sediment Water Filter (1 micron)

    (Retail Price: $36.41 ) $28.99
  • Hydronix SWC-45-2020 String Wound Sediment Water Filter (20 micron)

    Hydronix SWC-45-2020 String Wound Sediment Water Filter (20 micron)

    (Retail Price: $36.41 ) $30.99
  • Hydronix SWC-45-2030 String Wound Sediment Water Filter (30 micron)

    Hydronix SWC-45-2030 String Wound Sediment Water Filter (30 micron)

    (Retail Price: $36.41 ) $27.99
  • 20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)

    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)

    (Retail Price: $25.76 ) $20.99
  • 20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron)

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

    (Retail Price: $25.99 ) $19.99
  • C2-02 Whole House Carbon Filter by Viqua

    C2-02 Whole House Carbon Filter by Viqua

    (Retail Price: $89.00 ) $67.99
  • Tier1 20 inch x 4.5 inch Pleated Sediment Water Filter (1 Micron)

    Tier1 20 inch x 4.5 inch Pleated Sediment Water Filter (1 Micron)

    (Retail Price: $38.99 ) $25.99
  • SPC-45-2020 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    Tier1 20 inch x 4.5 inch Pleated Sediment Water Filter (20 Micron)

    (Retail Price: $32.99 ) $19.99
  • Tier1 20 inch x 4.5 inch String-Wound Sediment Water Filter (1 Micron)

    Tier1 20 inch x 4.5 inch String-Wound Sediment Water Filter (1 Micron)

    (Retail Price: $35.99 ) $23.99
  • Tier1 20 inch x 4.5 inch String-Wound Sediment Water Filter (5 Micron)

    Tier1 20 inch x 4.5 inch String-Wound Sediment Water Filter (5 Micron)

    (Retail Price: $40.99 ) $27.99
  • Tier1 20 inch x 4.5 inch Comparable String Wound Sediment Water Filter (20 micron)

    Tier1 20 inch x 4.5 inch Comparable String Wound Sediment Water Filter (20 micron)

    (Retail Price: $38.99 ) $25.99
  • Tier1 20 inch x 4.5 inch Comparable String Wound Sediment Water Filter (30 Micron)

    Tier1 20 inch x 4.5 inch Comparable String Wound Sediment Water Filter (30 Micron)

    (Retail Price: $34.99 ) $22.99
  • Pentek ECP1-20BB Comparable Pleated Sediment Water Filter by Tier1

    Pentek ECP1-20BB Comparable Pleated Sediment Water Filter by Tier1 (20-inch x 4-1/2-inch)

    (Retail Price: $33.99 ) $22.99
  • 20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron)

    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron)

    (Retail Price: $24.99 ) $18.99
  • 20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (20 micron)

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

    (Retail Price: $26.99 ) $16.99
  • 20 X 4.5 Carbon Block Replacement Filter by Tier1 (0.5 micron)

    20 X 4.5 Carbon Block Replacement Filter by Tier1 (0.5 micron)

    (Retail Price: $136.99 ) $58.99
  • 20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)

    20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)

    (Retail Price: $69.77 ) $47.99
  • 20 X 4.5 Carbon Block With KDF55 Replacement Filter by Tier1 (20 micron)

    20 X 4.5 Carbon Block With KDF55 Replacement Filter by Tier1 (20 micron)

    $121.99
  • Tier1 Aries F-20-2215 Comparable Polypropylene Sediment Water Filter Replacement

    20 X 4.5 Granular Activated Carbon Replacement Filter by Tier1 (10 micron)

    (Retail Price: $155.99 ) $139.99
  • Tier1 20 inch x 4.5 inch Sediment Water Filter (10 Micron)

    Tier1 20 inch x 4.5 inch Sediment Water Filter (10 Micron)

    (Retail Price: $34.99 ) $23.99
  • Tier1 20 inch x 4.5 inch Sediment Water Filter (50 Micron)

    Tier1 20 inch x 4.5 inch Sediment Water Filter (50 Micron)

    (Retail Price: $28.99 ) $19.99
  • 20 X 4.5 Granular Activated Carbon Replacement Filter by Tier1 (20 micron)

    20 X 4.5 Granular Activated Carbon Replacement Filter by Tier1 (20 micron)

    $62.99
  • 20 X 4.5 Pleated Cellulose Polyester Replacement Filter by Tier1 (5 micron)

    Tier1 20 inch x 4.5 inch Whole House Sediment Water Filter (5 Micron)

    (Retail Price: $29.99 ) $21.99
  • 20 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)

    20 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)

    (Retail Price: $48.99 ) $39.99
  • Tier1 Pentek ECP50-20BB Comparable Pleated Sediment Water Filter

    Tier1 Pentek ECP50-20BB Comparable Pleated Sediment Water Filter

    (Retail Price: $31.99 ) $20.99
  • Pentek EP-20BB Carbon Block Water Filters (20-inch x 4-5/8-inch)

    Pentek EP-20BB Carbon Block Water Filters (20-inch x 4-5/8-inch)

    $69.77
  • American Plumber W20CLHD20 Pleated Cellulose Water Filters

    American Plumber W20CLHD20 Pleated Cellulose Water Filters

    (Retail Price: $35.99 ) $28.99
  • Hydronix SDC-45-2001 Sediment Polypropylene Water Filter Cartridges

    Hydronix SDC-45-2001 Sediment Polypropylene Water Filter Cartridges

    (Retail Price: $32.99 ) $25.99
99 Results
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