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.

Items 1 to 25 of 88 total

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

Grid  List 

Set Descending Direction
  1. W9222909 Doulton Imperial SuperCarb OBE Replacement Element

    W9222909 Doulton Imperial SuperCarb OBE Ceramic Water Filter

    Fits most standard 2.5-inch by 10-inch water filtration system housings Learn More
    $55.99 Retail Price:  $59.71
  2. 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    Fits 10 inch by 2.5 inch filtration system housings Learn More
    $8.49 Retail Price:  $12.06
  3. 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green

    22110 Hydrologic SmallBoy Carbon Filter (Green)

    Fits filtration system housings that use 10 inch by 2.5 inch filter Learn More
    $12.99 Retail Price:  $17.24
  4. 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  5. F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    Fits the InSinkErator F-201 Water Filtration System, and all Series 1100 and 2200 Instant Hot Water Dispensers Learn More
    $130.99 Retail Price:  $134.42
  6. EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    Fits into most industry standard 10-inch water filtration system housings Learn More
    $8.99 Retail Price:  $11.49
  7. AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    Fits standard number 10, slim-line number 10, and other filter housings using 10 x 2.5-inch filters Learn More
    $37.99 Retail Price:  $56.39
  8. FRSS-1.5 Sterilight 1.5 GPM 1/2-inch Flow Restrictor
  9. HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    Fits most standard 10-inch filter housings. Learn More
    $13.99 Retail Price:  $19.99
  10. FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    1/2 x 1/2 inch FNPT fitting Learn More
    $52.99 Retail Price:  $90.00
  11. CBC-10 Pentek Replacement Filter Cartridge

    CBC-10 Pentek Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $15.99 Retail Price:  $18.34
  12. Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Perfect for well water applications with the potential for microorganisms Learn More
    $14.99 Retail Price:  $17.12
  13. Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    Standard 10 inch by 2.5 inch size fits many under sink filter housings Learn More
    $22.99 Retail Price:  $24.71
  14. W5CIP478 American Plumber Undersink Compact Filter Replacement Cartridge (2-Pack)
  15. WCC American Plumber Undersink Filter Replacement Cartridge

    WCC American Plumber Undersink Filter Replacement Cartridge

    Fits American Plumber W38-PR and most standard size water filter housings Learn More
    $19.99 Retail Price:  $26.44
  16. WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    Fits American Plumber WGC478 Learn More
    $13.99 Retail Price:  $14.94
  17. WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  18. CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    For use in any brand of undersink water filtration systems that use 9 3/4-inch x 2 1/2-inch water filter cartridges Learn More
    $33.99
  19. NCP-10 Culligan Whole House Filter Replacement Cartridge

    NCP-10 Culligan Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  20. RV-500A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-500A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
  21. RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  22. RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $20.99 Retail Price:  $35.64
  23. RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $26.99 Retail Price:  $38.51
  24. RVF-10 Culligan RV Pre-Tank Exterior Filter

    RVF-10 Culligan RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $34.99 Retail Price:  $38.51
  25. US-600 Culligan Slim Undersink Filter System

Items 1 to 25 of 88 total

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

Grid  List 

Set Descending Direction
Scroll To Top