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 128 total

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

Grid  List 

Set Descending Direction
  1. WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1

    WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $18.99
  2. RS6 OmniFilter Comparable Whole House Water Filter by Tier1

    RS6 OmniFilter Comparable Whole House Water Filter by Tier1

    Fits OmniFilter RS6, OmniFilter RS6-R-01, OmniFilter RS6-R-02 and most standard 10-inch housings Learn More
  3. W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  4. WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge

    WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge

    Fits WFHD13001B Universal Heavy Duty Whole House Filtration System and other brands of 10x4.5-inch filter systems Learn More
    $17.99 MSRP:  $27.04
  5. WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge

    WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge

    Fits WFHD13001B Universal Heavy Duty Whole House Filtration System and other brands of 10x4.5-inch filter systems Learn More
    $25.99 MSRP:  $32.92
  6. CMB-510-HF Advanced Water Products 10-inch x 4.5-inch Replacement Sediment Filter

    Advanced Water Products CMB-510-HF Whole House Filter for IHS12-D4 System

    Made for the Trojan UV Max IHS12-D4 Water Disinfection System Learn More
  7. CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    Fits most 10 x 4.5-inch filter housings including the Viqua IHS12-D4 water disinfection system Learn More
    $16.99 MSRP:  $19.34
  8. P5-10BB Tier1 Sediment Water Filter (4-pack)

    P5-10BB Tier1 Sediment Water Filter (4-Pack)

    Fits filtration system housings that accept 10 x 4.5 inch cartridges Learn More

    $39.79

  9. R30BB Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)

    R30BB Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)

    Fits most standard 10 x 5-inch housings Learn More

    $24.99

  10. W50PEHD American Plumber Comparable Filter by Tier1 (6-Pack)
  11. Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Accepts standard 10 x 4.5-inch filters Learn More
    $59.99 MSRP:  $75.99
  12. SDC-45-1005 Hydronix Whole House Sediment Filter Cartridge (6-Pack)

    SDC-45-1005 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

    $58.99

  13. 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

    $55.99

  14. SDC-45-1020 Hydronix Whole House Sediment Filter Cartridge (6-Pack)

    SDC-45-1020 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

    $55.99

  15. SPC-45-1005 Hydronix Whole House Sediment Filter Cartridge 6pk

    SPC-45-1005 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

    $71.99

  16. 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

    $65.99

  17. SPC-45-1020 Hydronix 10 x 4.5 inch Pleated Sediment Water Filter 6pk

    SPC-45-1020 Hydronix 10 x 4.5 inch Pleated Sediment Water Filter 20 Micron (6-Pack)

    Fits into systems that use the Liquatec SPF-45-1020, Pentek 255491-43 and Watts FM-BB-10-20 water filters Learn More

    $63.99

  18. SPC-45-1030 Hydronix Pleated Sediment Water Filter (6-Pack)

    SPC-45-1030 Hydronix Pleated Sediment Water Filter (6-Pack)

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

    $65.99

  19. SDC-45-1050 Hydronix Pleated Sediment Water Filter (6-Pack)

    SDC-45-1050 Hydronix Pleated Sediment Water Filter (6-Pack)

    Fits systems that use American Plumber WW50PEHD, Liquatec SPF-45-1050, Pentek 255492-43, Pentek 155053-43, Pentek R50-BB and Watts FM-BB-10-50 water filters Learn More

    $69.99

  20. SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)

    Fits most 10-inch Big Blue filter housings and replaces Liquatec SWF-45-1001, Pentek 355213-43 and Watts SF1-10-425 water filters. Learn More

    $215.99

  21. DGD-2501 Pentek Whole House Filter Replacement Cartridge (12-Pack)

    DGD-2501 Pentek Whole House Filter Replacement Cartridge (12-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    (Retail Price: $219.99 ) $151.99

  22. DGD-2501-20 Pentek Whole House Replacement Sediment Filter (6-Pack)

    DGD-2501-20 Pentek Whole House Replacement Sediment Filter Cartridge (6-Pack)

    Fits most housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    (Retail Price: $160.99 ) $134.99

  23. DGD-2501 Pentek Whole House Filter Replacement Cartridge (20-Pack)

    DGD-2501 Pentek Whole House Filter Replacement Cartridge (20-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    (Retail Price: $359.99 ) $224.99

  24. DGD-2501 Pentek Whole House Filter Replacement Cartridge (6-Pack)

    DGD-2501 Pentek Whole House Filter Replacement Cartridge (6-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    (Retail Price: $109.99 ) $76.99

  25. DGD-5005 Pentek Whole House Filter Replacement Cartridge (20-Pack)

    DGD-5005 Pentek Whole House Filter Replacement Cartridge (20-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    $224.99

Items 1 to 25 of 128 total

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

Grid  List 

Set Descending Direction
Scroll To Top