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 64 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
  1. W9125010 Doulton Specialty Replacement Filter Cartridge

    W9125010 Doulton CleanSoft Scale Pre-Filter Replacement Cartridge

    Fits Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $30.00 MSRP:  $59.96
  2. W9222900 Doulton Ceramic Water Filter

    W9222900 Doulton Slim Line SuperCarb Undersink Ceramic Water Filter

    Fits Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $34.00 MSRP:  $52.73
  3. 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
    $39.00 MSRP:  $59.71
  4. Doulton Filtadapt Counter Top Water Filter System – Pebble

    Doulton Filtadapt Counter Top Water Filter System – Pebble

    Counter top system that accepts a variety of Doulton filters including the one best suited for your water. Learn More
    $95.00 MSRP:  $135.99
  5. W9222903 Doulton Ceramic Supercarb M15 Replacement Undersink Cartridge
  6. W9223006 Doulton Imperial 10-inch Ultracarb Filter Cartridge
  7. W9330005 Doulton 10 Inch Filter Housing
  8. W9331028 Doulton Supercarb Counter Top Filter System

    W9331028 Doulton Supercarb Counter Top Filter System

    Fits any Doulton brand 10x2.5 inch ceramic filter candle Learn More
    $141.00 MSRP:  $167.99
  9. W9380010 Doulton Two Stage Water Filter System

    W9380010 Doulton Two Stage Water Filter System

    Fits with any 10x2.5 inch sized Doulton brand filter candles Learn More
    $122.99 MSRP:  $146.99
  10. W9380050 Doulton Dual Housing and 5 micron Pre-Filter Supercarb
  11. W9380040 Doulton Two Stage Duo Undersink Drinking Water System

    W9380040 Doulton Two Stage Duo Undersink Drinking Water System

    Fits Doulton brand 10-inch filters Learn More
    $136.00 MSRP:  $161.99
  12. W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton HIP, HIS and HCPS housings (NOT gravity-fed) Learn More
    $35.00 MSRP:  $73.99
  13. W2123100 Doulton Wing Nut

    W2123100 Doulton Long Mount Water Filter Wing Nut

    Fits all Doulton long mount water filter candles Learn More
    $5.00 MSRP:  $8.34
  14. W2160901 Doulton Candle Mount O-ring

    W2160901 Doulton Ceramic Water Filter Candle O-Ring

    Fits all Doulton short mount ceramic water filter candles Learn More
    $4.00 MSRP:  $5.74
  15. W2313069 Doulton Stainless Steel Gravity Filter Vino Tap / Spigot

    W2313069 Doulton Stainless Steel Gravity Filter Vino Tap / Spigot

    Fits Doulton stainless steel gravity water filter systems Learn More
    $12.00 MSRP:  $19.16
  16. W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    Fits the RIO 2000 High-Flow Multi-Candle filter module Learn More
    $106.00 MSRP:  $118.30
  17. W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits the (S) type thread mount in HIP, HCP and HIS housings Learn More
    $25.00 MSRP:  $39.96
  18. W9121020 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121020 Doulton Undersink Ceramic Candle Water Filter Cartridge

    Fits all Doulton Gravity systems Learn More
    $31.00 MSRP:  $36.02
  19. W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton gravity fed systems Learn More
    $33.00 MSRP:  $39.97
  20. W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    Fits all Doulton Gravity systems Learn More
    $29.00 MSRP:  $47.91
  21. W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton gravity fed systems Learn More
    $35.00 MSRP:  $41.41
  22. W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton HIP, HIS and HCPS housings (NOT gravity-fed) Learn More
    $23.00 MSRP:  $41.50
  23. W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    Fits pressurized Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Only Learn More
    $37.00 MSRP:  $54.26
  24. W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    Fits all Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $41.00 MSRP:  $60.21
  25. W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    Fits all Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $41.00 MSRP:  $66.48

Items 1 to 25 of 64 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top