Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

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.

16 Item(s)

Grid  List 

Set Descending Direction
  1. PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 10 x 2.5-inch filters Learn More
    $4.99 Retail Price:  $6.99
  2. CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  3. AP-GRMB-10PP-10UB Whole House Water Filter Replacement Cartridge

    3M Aqua-Pure AP-GRMB-10PP-10 Whole House Water Filter Replacement

    Fits most standard 10 inch x 2 1/2 inch housings Learn More
    $7.99 Retail Price:  $10.34
  4. Pentair HEPP10-40DB Pureflex High Efficiency

    Pentair HEPP10-40DB Pureflex High Efficiency

    Fits standard filter housings that accept 40 x 2.5-inch filters Learn More
    $93.99 Retail Price:  $113.99
  5. Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Fits standard filter housings that accept 30 x 2.5-inch filters Learn More
    $107.99 Retail Price:  $130.99
  6. Pentair NEPP12-40DB Pureflex Pleated Polypropylene Cartridge

    Pentair NEPP12-40DB Pureflex Pleated Polypropylene Cartridge

    Fits standard filter housings that accept 40 x 2.5-inch filters Learn More
    $49.99 Retail Price:  $61.99
  7. SDC-45-1010 Hydronix Whole House Sediment Filter Cartridge (6-Pack)

    SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge (6-Pack)

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    $59.99

  8. SPC-45-1010 Hydronix Pleated Sediment Water Filter (6-Pack)

    SPC-45-1010 Hydronix Pleated Sediment Water Filter (6-Pack)

    Fits filter housings that accept standard 10 x 4.5 inch filter cartridges Learn More

    $66.99

  9. CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $36.99 Retail Price:  $49.44
  10. PD-10-20 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-10-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $12.99 Retail Price:  $15.34
  11. RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)

    RS14-DS OmniFilter Whole House Water Filter Cartridges (2-Pack)

    Fits any brand of whole house water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $7.99 Retail Price:  $8.15
  12. RS14-SS OmniFilter Whole House Filter Replacement Cartridge

    RS14-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses 9 3/4 x 2 1/2 water filter cartridges Learn More
    $6.99 Retail Price:  $9.34
  13. CW-F Pentek String Wound Sediment Water Filter (9-7/8 in x 2-1/4 in)

    CW-F Pentek String Wound Sediment Water Filter (9-7/8 in x 2-1/4 in)

    Built to fit into whole house water filtration systems with 10-inch housings Learn More
    $10.99
  14. SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    2.5 inches by 9 7/8 inches, 10 micron. Built to fit into systems that use Liquatec SDF-25-1010 and Watts FPMB10-978 water filters Learn More
    $5.99 Retail Price:  $6.89
  15. SPC-25-1010 Hydronix Pleated Sediment Water Filter

    SPC-25-1010 Hydronix Pleated Sediment Water Filter

    10 micron filter, sized 9 7/8x2.5 inches Learn More
    $8.99
  16. NCP-BB Pentek Comparable Whole House Carbon Filter by Tier1

16 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top