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

Items 1 to 25 of 327 total

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

Grid  List 

Set Descending Direction
  1. SPC-25-1030 Hydronix Pleated Sediment Water Filter

    SPC-25-1030 Hydronix Pleated Sediment Water Filter

    9 7/8 inches by 2.5 inches, 30 micron. Fits into systems that use American Plumber W30PE, Liquatec SPF-25-1030, Pentek 155017-43 and Pentek R30 water filters Learn More
    $9.99 MSRP:  $13.21
  2. ICF-6Q Coconut Shell Granular Activated Carbon Inline Water Filter by Tier1

    ICF-6Q Coconut Shell Granular Activated Carbon Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More
    $7.99 MSRP:  $12.99
  3. SDC-25-4001 Hydronix Sediment Water Filter Cartridge

    SDC-25-4001 Hydronix Sediment Water Filter Cartridge

    Sized 2.5 by 40 inches Learn More
    $19.99
  4. P10-30 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)

    PD-10-30 Pentek Comparable Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)

    Made to fit housings sized 30 x 2.5 inches Learn More
    $13.99 MSRP:  $19.99
  5. Hydronix SDC-25-3001 Polypropylene Sediment Filter

    Hydronix SDC-25-3001 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size fits many standard size filter housings Learn More
    $18.99
  6. Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size fits many standard size filter housings Learn More
    $18.99
  7. Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $19.99
  8. Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Standard 50 inch by 2.5 inch size fits many standard size filter housings Learn More
    $16.99
  9. SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits in housings that accept 30 x 2.5 inch replacement filters Learn More
    $15.99 MSRP:  $19.99
  10. SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most housings sized at 40 x 2.5 inches Learn More
    $16.99
  11. SDC-25-4010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  12. SDC-25-4050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-4050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits housings for filters 40 x 2.5 inches Learn More
    $13.99 MSRP:  $14.99
  13. SDC-25-3075 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-3075 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Standard 30 inch by 2.5 inch size fits standard size filter housings Learn More
    $15.99
  14. Culligan Pre-Reverse Osmosis Carbon Block Comparable Filter by Tier1

    Culligan Pre-Reverse Osmosis Carbon Block Comparable Filter by Tier1

    Fits Culligan Aqua Cleer and H Series reverse osmosis systems, including the H-5, H-8, H-82, H-83, AC-15, AC-30 and AC-50 Learn More
    $10.99 MSRP:  $20.99
  15. WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter

    WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter

    Fits all DuPont faucet mount systems Learn More
    $7.99 MSRP:  $11.99
  16. WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  17. New Box 6-28-17

    WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter

    Fits all DuPont faucet mounts Learn More
    $14.99 MSRP:  $19.99
  18. WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  19. C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter

    C2-02 Advanced Water Products Replacement 20-inch x 4.5-inch Carbon Whole House Filter

    Fits most 20-inch x 4.5-inch filter housings, including the Trojan UV Max IHS12-D4 and IHS22-D4 Water Disinfection Systems Learn More
  20. Pentek 255579-43 Inline Sediment Water Filter Replacement

    Pentek 255579-43 Inline Sediment Water Filter Replacement

    Fits directly into 1/4-inch copper or plastic water lines Learn More
    $14.29 MSRP:  $21.99
  21. Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing

    Hydronix HF2-10CLWH12 Clear 10-inch x 2.5-inch Filter Housing

    Receives any standard 10-inch by 2.5-inch filter cartridge Learn More
    $15.99 MSRP:  $22.99
  22. 64553 Jura Clearyl Coffee Machine Replacement Cartridge

    64553 Jura Clearyl Coffee Machine Replacement Cartridge

    Fits all Jura automatic coffee machines Learn More
    $22.19 MSRP:  $33.99
  23. 1236268 Merlin Reverse Osmosis Pre Filter

    ROSave.Z GE Reverse Osmosis Zplex Technology Pretreatment Filter

    Fits standard 40 x 2-1/2 inch filter housings Learn More
    $29.99 MSRP:  $32.34
  24. CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    Fits most standard 10-inch x 2.5-inch housings Learn More
    $15.39 MSRP:  $23.99
  25. C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    Fits most 20 x 4.5-inch filter housings including the Viqua IHS12-D4 and IHS22-D4 water disinfection systems. Learn More
    $49.99 MSRP:  $89.00

Items 1 to 25 of 327 total

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

Grid  List 

Set Descending Direction
Scroll To Top