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

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

23 Item(s)

Grid  List 

Set Descending Direction
  1. SWC-45-2001 Hydronix String Wound Sediment Water Filter

    SWC-45-2001 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 1 micron. Fits into Big Blue water filtration housings systems that use Liquatec SWF-45-2001, Pentek: 355222-43 and Watts SF1-20-425 water filters Learn More
    $27.99
  2. SPC-25-2001 Hydronix Pleated Sediment Water Filter

    SPC-25-2001 Hydronix Pleated Sediment Water Filter

    20 inches by 2.5 inches, 1 micron. Built to replace Liquatec SPF-25-2001, Pentek 255485-43 and Watts FM-1-20 water filters Learn More
    $18.99 MSRP:  $25.99
  3. SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    10 inches by 4.5 inches, 1 micron. Fits most 10-inch Big Blue filter housings and replaces Liquatec SWF-45-1001, Pentek 355213-43 and Watts SF1-10-425 water filters. Learn More
    $17.99 MSRP:  $18.39
  4. SPC-45-2001 Hydronix Pleated Sediment Water Filter

    SPC-45-2001 Hydronix Pleated Sediment Water Filter

    Fits water filtration systems that use the Liquatec SPF-45-2001, Pentek 255493-43 and Watts FM-BB-20-1 filters Learn More
    $29.99 MSRP:  $34.49
  5. Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge

    SDC-45-2001 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

    As Low As $23.50 Per Filter

  6. SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    1 micron filter, sized 9 7/8x2.5 inches Learn More

    As Low As $6.00 Per Filter

  7. DGD-2501 Pentek Comparable Whole House Filter by Tier1

    DGD-2501 Tier1 Pentek Comparable Whole House Sediment Water Filter

    Fits most 10 x 4.5-inch filter housings Learn More

    As Low As $8.08 Per Filter

  8. P1-20BB Sediment Water Filter by Tier1

    P1-20BB Sediment Water Filter by Tier1

    Fits in standard 20 x 4-1/2 inch sized housings Learn More

    As Low As $14.94 Per Filter

  9. SDC-25-0501 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-0501 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Sized 4 7/8 x 2 1/2 inches Learn More

    As Low As $0.00 Per Filter

  10. SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    9 7/8 inches by 4.5 inches. Fits filtration systems that use Liquatec SPF-45-1001, Pentek 255489-43 and Watts FM-BB-10-1 water filters Learn More

    As Low As $0.00 Per Filter

  11. SDC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most 10 x 4.5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  12. RS16 Omnifilter Comparable Whole House Sediment Water Filter by Tier1

    RS16 Omnifilter Comparable Whole House Sediment Water Filter by Tier1

    Fits most 10 x 4.5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  13. SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1

    SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $0.00 Per Filter

  14. DGD-2501 Pentek Comparable Whole House Sediment Water Filter by Tier1

    DGD-2501 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 10 x 4.5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  15. SWC-45-1001 Comparable Hydronix String-Wound Sediment Water Filter by Tier1

    SWC-45-1001 Comparable Hydronix String-Wound Sediment Water Filter by Tier1

    10 inches by 4.5 inches, 1 micron. Fits most 10-inch Big Blue filter housings and replaces Liquatec SWF-45-1001, Pentek 355213-43 and Watts SF1-10-425 water filters. Learn More

    As Low As $0.00 Per Filter

    Out of stock

  16. SPC-25-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 1 micron. Built to replace Liquatec SPF-25-2001, Pentek 255485-43 and Watts FM-1-20 water filters Learn More

    As Low As $0.00 Per Filter

    Out of stock

  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. WP1BB97P Pentek Replacement Filter Cartridge

    WP1BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $17.99
  19. 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
  20. SDC-25-1001 Hydronix Sediment Water Filter Cartridge

    SDC-25-1001 Hydronix Sediment Water Filter Cartridge

    1 micron filter, sized 2 1/2 x 9 7/8 inches Learn More
    $6.99
  21. P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits in housings that accept 20 x 4 1/2 inch replacement filters Learn More
    $21.99
  22. P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    Sized 4 7/8 x 2 1/2 inches Learn More
    $4.99 MSRP:  $8.34
  23. TIER1-DGD1-20BB Whole House Sediment Water Filter

    DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 20 x 5-inch housings Learn More
    $18.99 MSRP:  $24.99

23 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top