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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. W10-PR American Plumber Whole House Filter System
  2. W385-PR American Plumber Undersink Compact Filter System
  3. 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    Fits onto 3/4-inch NPT water lines Learn More
    $103.99 Retail Price:  $137.99
  4. 3M Aqua-Pure AP200 Under Sink Water Filter
  5. 3M Aqua-Pure AP217 Under Sink Water Filter

    AP217 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $36.99
  6. 3M Aqua-Pure AP430SS Water Heater Scale Inhibitor

    AP430SS 3M Aqua-Pure Water Heater Scale Inhibitor System

    Fits standard 3/4-inch water heater supply line. Learn More
    $70.99 Retail Price:  $90.84
  7. 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    Fits 3M Aqua-Pure AP430 and AP430-SS filtered hot water systems Learn More
    $30.99 Retail Price:  $35.64
  8. 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $25.99 Retail Price:  $34.49
  9. 3M Aqua-Pure AP903 Water Filter System

    AP903 3M Aqua-Pure Water Filtration System

    Fits standard 1-inch pipe Learn More
    $239.99 Retail Price:  $342.69
  10. 3M Aqua-Pure AP910R Water Filter

    AP910R 3M Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Aqua-Pure AP902 Water Filtration System Learn More
    $122.99 Retail Price:  $128.79
  11. 3M Aqua-Pure AP917R Water Filter Cartridge

    AP917R 3M Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Aqua-Pure AP903 Water Filtration System Learn More
  12. CFS01S Cuno Whole House Filter Housing

    CFS01S Cuno Whole House Water Filter Housing

    $134.99 Retail Price:  $152.94
  13. CFS02S Cuno Whole House Filter Housing

    CFS02S Cuno Whole House Water Filter Housing

    $184.49 Retail Price:  $214.46
  14. CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

    $95.99 Retail Price:  $101.19
  15. CFS22 Cuno Whole House Filter Housing

    CFS22 Cuno Whole House Filter Housing

    $128.99 Retail Price:  $148.34
  16. W9320004 Doulton Undersink Filter System

    W9320004 Doulton HIS Undersink Water Filtration System

    Fits 10 inch by 2 inch short thread filter candles Learn More
    $176.16 Retail Price:  $204.88
  17. OB5-S-05 OmniFilter Whole House Filter System

    OB5-S-05 OmniFilter Whole House Water Filtration System

    Built to fit onto standard 3/4-inch water lines. Uses 2.5x10 inch water filters. Learn More
    $29.99 Retail Price:  $36.79
  18. PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel

    PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel

    Fits standard 2-inch water lines Learn More
  19. HFPP-1-WPR10 Pentek Big Blue Whole House 10 inch Filter Housing
  20. HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  21. HFPP-34-PR-10 Pentek Big Blue Whole House 10 inch Filter Housing
  22. IC-101L Pentek Inline Filter

    IC-101L Pentek Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $8.99 Retail Price:  $12.98
  23. MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel

    MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel

    Fits standard 1.5-inch water lines. Learn More
    $1,450.99 Retail Price:  $1453.34
  24. SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  25. SLIM-38-PR5 Pentek Whole House Slim 5 inch Filter Housing

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