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

14 Item(s)

Grid  List 

Set Descending Direction
  1. P5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    P5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard filter housings that use 20-inch x 2.5-inch filter cartridges Learn More

    As Low As $4.50 Per Filter

  2. Pentek PD-10-20 Comparable Sediment Water Filter by Tier1

    Pentek PD-10-20 Comparable Sediment Water Filter by Tier1

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

    As Low As $5.84 Per Filter

  3. SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More
    $9.99 MSRP:  $20.99
  4. SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 20 micron. Fits into systems that use Liquatec SPF-25-2020, Pentek 255487-43 and Watts FM-20-20 water filters Learn More
    $9.99 MSRP:  $20.99
  5. SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More

    As Low As $0.00 Per Filter

  6. SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More

    As Low As $0.00 Per Filter

  7. SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 20 micron. Fits into systems that use Liquatec SPF-25-2020, Pentek 255487-43 and Watts FM-20-20 water filters Learn More

    As Low As $0.00 Per Filter

  8. SDC-25-2005 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  9. 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
  10. S1-20 Pentek Comparable Whole House Filter Replacement Cartridge by Tier1

    S1-20 Pentek Comparable Whole House Filter Replacement Cartridge by Tier1

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $5.00 Per Filter

  11. 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
    $7.99 MSRP:  $11.34
  12. SDC-25-2010 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-2010 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $8.99 MSRP:  $12.34
  13. P5-20 Pentek Whole House Filter Replacement Cartridge

    P5-20 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $3.89 Per Filter

  14. Pentek P25-20 Whole House Replacement Sediment Filter Cartridge

    P25-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept standard 20-inch x 2.5-inch water filter cartridges Learn More

    As Low As $8.25 Per Filter

14 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top