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20 x 4.5 Inch Replacement Filters



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Items 1 to 48 of 59 total

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  • SWC-45-2030 Hydronix Comparable String Wound Sediment Water Filter (30 micron) by Tier1

    SWC-45-2030 Hydronix Comparable String Wound Sediment Water Filter (30 micron) by Tier1

    $21.99
    MSRP: $34.99
    Save 37%
  • GAC20-BB Pentek Replacement Granular Activated Carbon Filter by Tier1

    GAC20-BB Pentek Replacement Granular Activated Carbon Filter by Tier1

    $62.99
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    $36.99
    MSRP: $48.99
    Save 24%
  • DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    $18.99
    MSRP: $24.99
    Save 24%
  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $49.99
    MSRP: $89.00
    Save 44%
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    $69.77
  • EPM-20BB Pentek Whole House Filter Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    $47.99 MSRP: $59.99
    Save 20%
  • GAC20-BB Pentek Whole House Water Filter

    GAC20-BB Pentek Whole House Filter Replacement Cartridge

    $69.99
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge by Tier1

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge by Tier1

    $20.99 MSRP: $25.76
    Save 19%
  • RFC20-BB Pentek Carbon Filter Replacement Cartridge

    RFC20-BB Pentek Replacement Filter Cartridge

    $57.99 MSRP: $82.91
    Save 30%
  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge

    DGD-7525-20 Pentek Comparable Whole House Replacement Sediment Filter Cartridge by Tier1

    $22.99 MSRP: $31.04
    Save 26%
  • EP-20BB Pentek Comparable Carbon Block Water Filter by Tier1

    EP-20BB Pentek Comparable Carbon Block Water Filter by Tier1

    $47.99 MSRP: $69.77
    Save 31%
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

    $22.99 MSRP: $34.99
    Save 34%
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1

    SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1

    $22.99
    MSRP: $35.99
    Save 36%
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1

    SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1

    $27.99
    MSRP: $40.99
    Save 32%
  • Hydronix SWC-45-2020 Comparable String Wound Sediment Water Filter (20 micron) by Tier1

    Hydronix SWC-45-2020 Comparable String Wound Sediment Water Filter (20 micron) by Tier1

    $24.99
    MSRP: $38.99
    Save 36%
  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1

    $19.99
    MSRP: $28.99
    Save 31%
  • F-20-2215 Aries Polypropylene Sediment Water Filter Replacement by Tier1

    F-20-2215 Aries Polypropylene Sediment Water Filter Replacement by Tier1

    $139.99
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

    WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

    $69.99
    MSRP: $78.19
    Save 10%
  • 3M Aqua-Pure AP817-2 Whole House Water Filter Cartridge

    AP817-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $85.99
    MSRP: $112.69
    Save 24%
  • P1012581 Culligan Undersink Replacement Filter Cartridge

    P1012581 Culligan Undersink Replacement Filter Cartridge

  • 22006 Hydrologic BigBoy Replacement Carbon Filter - Green

    22006 Hydrologic BigBoy Carbon Filter (Green)

    $80.99
  • CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    $48.99
    MSRP: $58.99
    Save 17%
  • FLOPLUS-20BB Pentek Replacement Filter Cartridge

    FLOPLUS-20BB Pentek Replacement Filter Cartridge

    $78.99
    MSRP: $95.99
    Save 18%
  • MAXETW-FF20 Watts C-MAX Whole House Water Filter Cartridge

    MAXETW-FF20 Watts C-MAX Whole House Water Filter Cartridge

    $68.99
    MSRP: $74.74
    Save 8%
  • MATRIKX-1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

  • MATRIKX-5-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-5-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

  • AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    $121.99
  • FLOPLUS 20BB Comparable Water Filter Cartridge by Tier1

    CBC-20BB Pentek Replacement Filter Cartridge by Tier1

    $57.99
    MSRP: $136.99
    Save 58%
  • FXB20RFL Filtrex Green Radial Flow Water Filter Cartridges

    FXB20RFL Filtrex Green Radial Flow Water Filter Cartridges

    $69.99
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge

    CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge

    $49.99
    MSRP: $52.34
    Save 4%
  • CBC20-BB Pentek Replacement Filter Cartridge

    CBC20-BB Pentek Replacement Filter Cartridge

    $114.17
  • MATRIKX-Pb1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-Pb1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    $123.99
  • MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    $68.99
  • DGD-2501-20 Pentek Whole House Sediment Filter

    Pentek DGD-2501-20 Sediment Water Filter Cartridge Replacements

    $23.99 MSRP: $26.84
    Save 11%
  • DGD-5005-20 Pentek Whole House Water Filter

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    $23.99 MSRP: $25.76
    Save 7%
  • DGD-7525-20 Pentek Whole House Water Filter

    DGD-7525-20 Pentek Whole House Replacement Sediment Filter Cartridge

    $27.99
  • DGD-7525 Pentek Whole House Sediment Filter

    Pentek DGD-7525 Whole House Sediment Water Filter Cartridge Replacement

    $14.99 MSRP: $16.55
    Save 9%
  • NCP-20BB Pentek Whole House Filter Replacement

    NCP-20BB Pentek Whole House Filter Replacement Cartridge

    $34.99 MSRP: $48.81
    Save 28%
  • RFFE20-BB Pentek Iron Reducing Water Filter Cartridge (20 in x 4.5 in)

    RFFE20-BB Pentek Iron Reducing Water Filter Cartridge (20 in x 4.5 in)

    $73.99 MSRP: $109.62
    Save 33%
  • BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    $89.99
    MSRP: $144.23
    Save 38%
  • WS-20BB Pentek Whole House Filter Replacement Cartridge

    WS-20BB Pentek Whole House Filter Replacement Cartridge

    $45.99
    MSRP: $52.08
    Save 12%
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge

    AP810-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $52.99
    MSRP: $84.20
    Save 37%
  • 3M Aqua-Pure AP811-2 Whole House Water Filter

    AP811-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $58.99
    MSRP: $66.69
    Save 12%
  • WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $39.55
    Save 6%
  • WP25BB20P Pentek Whole House Filter Replacement Cartridge

    WP25BB20P Pentek Whole House Filter Replacement Cartridge

    $35.99
    MSRP: $37.82
    Save 5%
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WPX100BB20P Pentek Replacement Filter Cartridge

    WPX100BB20P Pentek Replacement Filter Cartridge

    $32.99

Items 1 to 48 of 59 total

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20 x 4.5 Inch Replacement Filters
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