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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. W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  2. 155016-43 Pentek Comparable Whole House Water Filter by Tier1

    155016-43 Pentek Comparable Whole House Water Filter by Tier1

    Fits standard 20-inch by 2.5-inch filter housings Learn More
  3. R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits many styles of water filter housings that accept 20 x 5-inch filters Learn More
    $19.99 Retail Price:  $20.99
  4. SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    9 7/8 inches by 2.5 inches, 20 micron. Fits into filtration systems that use Liquatec SPF-25-1020, Pentek 255483-43 and Watts FM-20-975 water filters Learn More

    As Low As $5.00 Per Filter

  5. 200375 Axeon Reverse Osmosis Membrane

    200375 Axeon Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use membranes sized 21 x 1.1 x 0.75 x 2.4 inches Learn More
    $101.99 Retail Price:  $119.59
  6. 200386 Axeon Extra-Low Energy HF4-2514 Commercial Reverse Osmosis Membrane

    200386 Axeon Extra-Low Energy HF4-2514 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 2514 sized membranes Learn More
    $84.99 Retail Price:  $100.04
  7. 200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    Fits Axeon housings that accept 40-inch x 4-inch membranes Learn More
    $272.99 Retail Price:  $325.99
  8. Pentek PD-1-30 Polypropylene Sediment Filter

    Pentek PD-1-30 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size and double open end design fits many common filter housings Learn More
    $14.99
  9. Pentek PS5-30C Polypropylene Sediment Filter

    Pentek PS5-30C Polypropylene Sediment Filter

    Standard 30 inch x 2.5 inch size fits most standard filter housings Learn More
    $9.99 Retail Price:  $12.64
  10. 3M Aqua-Pure AP-GRMB-50PP-10UB

    3M Aqua-Pure AP-GRMB-50PP-10UB Polypropylene Sediment Filter

    Standard 10 inch by 2.5 inch size fits many standard size filter housings Learn More
    $5.99 Retail Price:  $9.19
  11. Cuno HF90-S Replacement Filter Cartridge

    Cuno HF90-S Replacement Filter Cartridge

    Fits the Cuno NH3 filter head and the ICE190-S filter system Learn More
    $185.99 Retail Price:  $243.79
  12. Pentek 150002 10-inch Standard Filter Housing

    Pentek 150002 10-inch Standard Filter Housing

    For use with standard 10 inch by 2.5 inch filter cartridges Learn More
    $33.99 Retail Price:  $39.09
  13. 4002124 American Plumber Whole House Sediment Filter System

    4002124 American Plumber Whole House Sediment Filter System

    Fits standard 1-inch water lines Learn More
    $699.99 Retail Price:  $807.29
  14. W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

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

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 Retail Price:  $17.34
  15. 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge

    AP1001 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $29.05 Retail Price:  $40.24
  16. 3M Aqua-Pure AP1003 Water Filter Replacement Cartridge (2-Pack)

    AP1003 3M Aqua-Pure Whole House Filter Replacement Cartridge (2-Pack)

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $54.99 Retail Price:  $71.29
  17. 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
  18. 3M Aqua-Pure AP110 Whole House Water Filter Cartridge

    AP110 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $11.99 Retail Price:  $18.14
  19. AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge

    AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
  20. 3M Aqua-Pure AP111-2 Whole House Water Filter

    AP111-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
  21. 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 Retail Price:  $17.24
  22. 3M Aqua-Pure AP410 Water Filter Cartridges

    AP410 3M Aqua-Pure Water Filter Cartridge Set (2-Pack)

    Fits the 3M Aqua-Pure AP400 and AP400SS Point of Use water filtration systems Learn More
    $64.99 Retail Price:  $71.29
  23. 3M Aqua-Pure AP420 Water Filter Replacement Cartridge

    AP420 3M Aqua-Pure Whole House Filter Replacement Cartridge (2-Pack)

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $91.99 Retail Price:  $113.84
  24. 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
  25. 3M Aqua-Pure AP815 Whole House Water Filter

    AP815 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More

Items 1 to 25 of 179 total

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