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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Water Filtration Systems, Filters, & Parts

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

Clear All
Compare

Items 1 to 25 of 390 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
  1. AP-GRMB-05PP-10UB Aquapure Whole House Filter Replacement by Tier1
  2. SDC-25-1005 Hydronix Whole House Filter Replacement by Tier1
  3. AP1001 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP1001 3M Aqua-Pure 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

  4. AP-GRMB-01PP-10UB 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP-GRMB-01PP-10UB 3M Aqua-Pure 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

  5. P1-D Culligan Comparable Whole House Sediment Water Filter by Tier1

    P1-D Culligan 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

  6. SBC-25-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SBC-25-1001 Hydronix 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

  7. SDC-25-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-1001 Hydronix 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

  8. GX01-9-78 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    GX01-9-78 Hytrex 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

  9. GX05-9-78 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    GX05-9-78 Hytrex 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

  10. PX30-9-78 Purtrex Replacement Filter Cartridge

    PX30-9-78 Purtrex Replacement Water Filter Cartridge

    Fits filtration housings that use 2.5-inch x 10-inch replacement water filters Learn More
    $4.09 MSRP:  $9.99
  11. 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
    $4.99 MSRP:  $9.19
  12. Purtrex PX03-9-78 Polypropylene Sediment Filter

    Purtrex PX03-9-78 Polypropylene Sediment Filter

    Fits any standard 10 inch by 2.5 inch housings Learn More
    $4.99 MSRP:  $6.89
  13. SDC-25-2005 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  14. PX50-9-78 Purtrex Replacement Filter Cartridge

    PX50-9-78 Purtrex Replacement Water Filter

    Fits industry standard compact filtration system housings that use 2.5-inch x 10-inch replacement filters Learn More
    $5.09 MSRP:  $10.99
  15. GX01-9-78 Hytrex Replacement Filter Cartridge

    GX01-9-78 Hytrex Replacement Water Filter Cartridge

    Fits industry standard water filtration housings that use 2.5-inch x 10-inch filter cartridges Learn More
    $5.49 MSRP:  $8.61

    Out of stock

  16. FPMB5-20 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-20 Watts Flo-Pro Water Filter Cartridge

    Fits water filtration system housing that accept a 20-inch x 2 1/2-inch filter Learn More
    $5.99 MSRP:  $6.89
  17. GX30-9-78 Hytrex Replacement Filter Cartridge

    GX30-9-78 Hytrex Water Filter Cartridge

    Fits industry standard filtration system housings that use 2.5-inch x 10-inch water filters Learn More
    $5.99 MSRP:  $8.61
  18. P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge

    P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge

    Fits standard 20 inch x 2.5 inch filter housings Learn More
    $5.99 MSRP:  $11.99
  19. PX30-20 Purtrex Replacement Water Filter Cartridge

    PX30-20 Purtrex Replacement Water Filter Cartridge

    For filtration system housings that use 2.5-inch x 20-inch filters Learn More
    $6.89 MSRP:  $9.19
  20. 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
    $6.99 MSRP:  $8.27
  21. 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
  22. GX10-9-78 Hytrex Replacement Filter Cartridge

    GX10-9-78 Hytrex Replacement Water Filter Cartridge

    Fits industry standard filter housings that use 2.5-inch x 10-inch water filters Learn More
    $6.99 MSRP:  $8.61
  23. SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    2.5 inches by 20 inches, fits systems that use Liquatec SDF-25-2001, Pentek 155304-43, Pentek P1-20 and Watts FPMB1-20 water filters Learn More
    $6.99 MSRP:  $8.04
  24. Pentek P25 Whole House Replacement Sediment Filter Cartridge

    P25 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $5.20 Per Filter

  25. P5 Pentek Whole House Replacement Sediment Filter Cartridge

    P5 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $4.80 Per Filter

Items 1 to 25 of 390 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
Scroll To Top