Discount Water Filters and Air Filters at Discount Filter Store.com

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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.

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  1. SWC-45-2001 Hydronix String Wound Sediment Water Filter

    SWC-45-2001 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 1 micron. Fits into Big Blue water filtration housings systems that use Liquatec SWF-45-2001, Pentek: 355222-43 and Watts SF1-20-425 water filters Learn More
    $27.99
  2. SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 5 micron. Fits into most 20-inch Big Blue water filtration housings and replaces Liquatec SWF-45-2005, Pentek 355223-43 and Watts SF5-20-425 water filters Learn More
    $32.99
  3. SPC-45-2001 Hydronix Pleated Sediment Water Filter

    SPC-45-2001 Hydronix Pleated Sediment Water Filter

    Fits water filtration systems that use the Liquatec SPF-45-2001, Pentek 255493-43 and Watts FM-BB-20-1 filters Learn More
    $29.99 MSRP:  $34.49
  4. Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge

    SDC-45-2001 Hydronix Whole House Replacement Sediment Filter Cartridge

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

    As Low As $23.50 Per Filter

  5. Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge

    SDC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

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

    As Low As $18.66 Per Filter

  6. SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    10 micron filter fits into water filtration systems that use 20-inch x 4.5-inch filter replacements Learn More

    As Low As $19.16 Per Filter

  7. SDC-45-2020 Hydronix Sediment Water Filter
  8. SPC-45-2020 Hydronix Pleated Sediment Filter

    SPC-45-2020 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron)

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More

    As Low As $23.33 Per Filter

  9. SPC-45-2050 Hydronix Pleated Sediment Water Filter

    SPC-45-2050 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 50 Micron)

    Fits into systems that use the Liquatec SPF-45-2050, Pentek 255496-43 and Watts FM-BB-50-20 water filters Learn More

    As Low As $21.67 Per Filter

  10. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  11. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  12. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  13. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    ECP5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    Fits most 20 x 5-inch filter housings Learn More

    (Retail Price: $531.99 ) $449.99

  14. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $14.94 Per Filter

  15. SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 4.5-inch filters Learn More

    As Low As $13.00 Per Filter

  16. P1-20BB Sediment Water Filter by Tier1

    P1-20BB Sediment Water Filter by Tier1

    Fits in standard 20 x 4-1/2 inch sized housings Learn More

    As Low As $14.94 Per Filter

  17. ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $20.33 Per Filter

  18. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  19. CQE-RC-04034 Crystal Quest Comparable Whole House Sediment Water Filter by Tier1

    CQE-RC-04034 Crystal Quest Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  20. HB-20-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1

    Harmsco HB-20-5W Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  21. SPC-45-2005 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-2005 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  22. SPC-45-2010 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-2010 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  23. SPC-45-2030 Pentek Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-2030 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits many styles of water filter housings that accept 20 x 5-inch filters Learn More

    As Low As $0.00 Per Filter

  24. SPC-45-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits many styles of water filter housings that accept 20 x 5-inch filters Learn More

    As Low As $17.83 Per Filter

  25. SPC-25-2030 Hydronix Comparable Sediment Water Filter by Tier1

    SPC-25-2030 Hydronix Comparable Sediment Water Filter by Tier1

    30 micron filter, sized 20 x 2.5 inches Learn More

    As Low As $0.00 Per Filter

    Out of stock

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