Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

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  1. CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  2. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $4.50 Per Filter

  3. WP-30 Pentek Comparable Whole House Sediment Filter by Tier1

    WP-30 Pentek Comparable Whole House Sediment Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  4. ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $20.33 Per Filter

  5. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  6. WHKF-WHSW Whirlpool Comparable Whole House Replacement Sediment Filter Cartridge by Tier1 (2-Pack)

    WHKF-WHSW Whirlpool Comparable Whole House Replacement Sediment Filter Cartridge by Tier1 (2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  7. RS2DS OmniFilter Comparable Whole House Replacement Water Filter Cartridge by Tier1 (2-Pack)

    RS2DS OmniFilter Comparable Whole House Replacement Water Filter Cartridge by Tier1 (2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  8. W5W American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)

    W5W American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  9. CB-25-1005 Hydronix Replacement Filter Cartridge

    CB-25-1005 Hydronix Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
  10. CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $15.69 MSRP:  $23.99
  11. CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $48.99 MSRP:  $58.99
  12. SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $5.99 MSRP:  $9.34
  13. SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $4.99 MSRP:  $5.05
  14. SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $16.99
  15. SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $17.99
  16. SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-3005 Hydronix Whole House Sediment Filter Cartridge

    Fits most filtration system housings that accept 30-inch x 2.5-inch water filter cartridges Learn More
    $12.89
  17. SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $13.99 MSRP:  $17.34
  18. SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $13.99 MSRP:  $17.34
  19. SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $20.99 MSRP:  $27.59
  20. SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $21.99 MSRP:  $29.89
  21. PX05-20 Purtrex Replacement Water Filter

    PX05-20 Purtrex Replacement Water Filter

    For filtration system housings that use 2.5-inch x 20-inch replacement water filters Learn More
    $16.99
  22. PX10-20 Purtrex Replacement Filter Cartridge

    PX10-20 Purtrex Replacement Water Filter

    Fits industry standard filtration system housings that use 2.5-inch x 20-inch replacement filters Learn More
    $6.99 MSRP:  $9.19
  23. PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    For industry standard filtration system housings that use 2.5-inch x 20-inch replacement filters Learn More
    $17.99
  24. PX20-9-78 Purtrex Replacement Filter Cartridge

    PX20-9-78 Purtrex Water Filter Cartridge

    Fits compact water filtration system housings that use 2.5-inch x 10-inch replacement filters Learn More
    $4.09 MSRP:  $9.99
  25. MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White

    MH03-1812WH Hydronix Reverse Osmosis Membrane Housing - White

    Fits reverse osmosis systems that use standard 11.75-inch to 12-inch membranes Learn More
    $20.09 MSRP:  $28.99

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