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

My Cart:

0 item(s)

Free Shipping over $39

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 163 total

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

Grid  List 

Set Descending Direction
  1. 55898C Halsey-Taylor Drinking Fountain Filter Replacement Cartridge

    55898C Halsey-Taylor Water Filter Cartridge Replacement

    Fits the Halsey Taylor Hydroboost and the Elkay EZH2O bottle filling station Learn More
    $189.99
  2. 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  3. 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
  4. 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    Built with a two-stage filtration and protected by a one year limited warranty Learn More
    $153.99 Retail Price:  $183.95
  5. RO5 Tier1 5-Stage Reverse Osmosis System

    RO5 Tier1 5-Stage Reverse Osmosis System

    $195.99 Retail Price:  $249.99
  6. 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    Sized 21 inches (length) x 3.95 inches (outside diameter) Learn More
    $172.99 Retail Price:  $223.99
  7. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $136.99 Retail Price:  $171.99
  8. 208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    Fits Axeon RO systems using size 2521 membranes and other systems that use 21 x 2.5 inch membranes Learn More
    $119.99 Retail Price:  $143.99
  9. 208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    Fits Axeon RO systems using size 2540 membranes and other systems that use 40 x 2.5 inch membranes Learn More
    $199.99 Retail Price:  $259.99
  10. 208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    Fits Axeon RO systems using size 2514 membranes and other systems that use 14 x 2.5 inch membranes Learn More
    $109.99 Retail Price:  $130.99
  11. Axeon TF-3012-500 Reverse Osmosis Membrane

    Axeon TF-3012-500 Reverse Osmosis Membrane

    Fits standard size 12 x 3 inch RO membrane housings Learn More
    $114.99 Retail Price:  $150.99
  12. BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-S Viqua UV Disinfection System Controller

    For use with SQ-PA series Viqua ultraviolet disinfection systems Learn More
    $117.99 Retail Price:  $185.00
  13. BA-ICE-V Viqua UV Disinfection System Controller

    BA-ICE-V Viqua UV Disinfection System Controller

    For use with Viqua S2Q-PV and S5Q-PV ultraviolet disinfection systems Learn More
    $144.99 Retail Price:  $225.00
  14. 602806 Viqua Water Disinfection System UV Lamp

    602806 Viqua Water Disinfection System UV Lamp

    Fits Viqua E4, E4+, E4-V, E4-V+, E4-50+, IHS22-E4 systems. Fits Trojan PRO7 system. Learn More
    $109.99 Retail Price:  $149.00
  15. 602807 Viqua Water Disinfection System UV Lamp

    602807 Viqua Water Disinfection System UV Lamp

    Fits Viqua F4, F4+, F4-V, F4-V+, F4-50+ systems. Fits Trojan PRO15 system. Learn More
    $119.99 Retail Price:  $159.00
  16. Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    Fits Viqua D model systems Learn More
    $119.99 Retail Price:  $122.34
  17. 602854 Viqua Water Disinfection System UV Lamp

    602854 Viqua Water Disinfection System UV Lamp

    Fits Viqua PRO10 system. Fits Trojan G, G+ systems. Learn More
    $175.99 Retail Price:  $239.00
  18. 650538 CoolTouch Temperature Management Valve

    650538 Viqua CoolTouch Temperature Management Valve

    Suitable for Viqua E/PLUS, E4/PLUS, F/PLUS, F4/PLUS, and other systems with 1-inch outlet. Learn More
    $130.99 Retail Price:  $175.00
  19. DuPont WFRO60X Quick Twist Reverse Osmosis System
  20. UV100A1059 Honeywell UV Surface Treatment System

    UV100A1059 Honeywell UV Surface Treatment System

    $176.99 Retail Price:  $241.99
  21. 200521 Axeon 4014 PVC Membrane Housing

    200521 Axeon 4014 PVC Membrane Housing

    Fits 4014 size Axeon membranes Learn More
    $139.99 Retail Price:  $173.99
  22. 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
  23. P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    Fits SGP195BN-T Espresso Filtration System Learn More
    $185.99 Retail Price:  $222.99
  24. 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    Fits the 3M Aqua-Pure RO5500 reverse osmosis water filter system Learn More

    Regular Price: $178.99

    Special Price: $137.05

  25. TFM50EM 3M Aqua-Pure Reverse Osmosis Membrane

    TFM50EM 3M Aqua-Pure PURWATER Reverse Osmosis Membrane

    For use with the 3M Aqua-Pure PW-RO2, PW-RO4L and PW 206 reverse osmosis filtration systems Learn More
    $112.99 Retail Price:  $135.69

Items 1 to 25 of 163 total

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

Grid  List 

Set Descending Direction
Scroll To Top