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Replacement Filter Cartridges

If you find your water flow rate slowing down its a sign you need to replace your filter cartridges. Tier1 offers an assortment of replacement cartridges coming in all standard sizes to fit any housing system you have installed. Replacement cartridges and kits help ensure that your system is up and running at top performance and reducing the unwanted contaminants that find their way into your water. Used in a variety of applications ranging from pre-filtration to single system protection, our filters are tested to reduce contaminants that would cause harm to your home and health. Ensure your filters are performing optimally with Tier1 and let us protect every drop.
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1 - 10 of 20

  • 10 Micron Tier1 Carbon and Anti-Scale Water Softening Replacement Cartridge

    10 Micron Tier1 Carbon and Anti-Scale Water Softening Replacement Cartridge

    Fits most standard 20-inch slim filter housings
    $28.99
    $37.69 Save 23%
  • P5 Pentek Comparable Tier1 Replacement Whole House Water Filter

    P5 Pentek Comparable Tier1 Replacement Whole House Water Filter

    Fits most standard 10 x 2.5 inch housings.
    $3.29
    $10.34 Save 68%
  • C1 Pentek Comparable Tier1 Carbon Block Water Filter

    C1 Pentek Comparable Tier1 Carbon Block Water Filter

    Fits into most industry standard 10-inch water filtration system housings
    $12.99
    $18.99 Save 32%
  • 5 Micron Tier1 Carbon and Polyphosphate Whole House Softening Replacement Cartridge

    5 Micron Tier1 Carbon and Polyphosphate Whole House Softening Replacement Cartridge

    Fits most standard 20 inch slim filter housings
    $17.99
    $23.39 Save 23%
  • 1 Micron Tier1 Carbon and Polyphosphate Water Softening Replacement Cartridge

    1 Micron Tier1 Carbon and Polyphosphate Water Softening Replacement Cartridge

    Fits most standard 20-inch slim filter housings
    $19.99
    $25.99 Save 23%
  • Iron and Manganese Reducing Tier1 Replacement Water Filter

    Iron and Manganese Reducing Tier1 Replacement Water Filter

    Fits 20 x 4.5 inch Big Blue filter housings
    $48.99
    $63.69 Save 23%
  • Iron and Lead Reducing Tier1 Whole House Replacement Water Filter

    Iron and Lead Reducing Tier1 Whole House Replacement Water Filter

    Fits 20 x 4.5 inch Big Blue filter housings.
    $64.99
    $84.49 Save 23%
  • EP-10 Pentek Comparable Tier1 Whole House Carbon Block Water Filter

    EP-10 Pentek Comparable Tier1 Whole House Carbon Block Water Filter

    Fits into most industry standard 10-inch water filtration system housings
    $8.49
    $11.49 Save 26%
  • SDC-25-3001 Hydronix Comparable Tier1 Replacement Whole House Water Filter

    SDC-25-3001 Hydronix Comparable Tier1 Replacement Whole House Water Filter

    Fits in housings that accept 30 x 2.5 inch replacement filters
    $15.99
    $19.99 Save 20%
  • SDC-25-4001 Hydronix Comparable Tier1 Replacement Whole House Water Filter

    SDC-25-4001 Hydronix Comparable Tier1 Replacement Whole House Water Filter

    Fits most housings sized at 40 x 2.5 inches

1 - 10 of 20

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