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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.

Items 1 to 25 of 28 total

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  1. 3M Aqua-Pure SS12 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS12 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP124, AP117, APS117, and AP420 Learn More
    $1,696.99 Retail Price:  $1699.34
  2. 3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP117, and AP124 Learn More
    $1,841.99 Retail Price:  $1844.34
  3. 3M Aqua-Pure SS24 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS24 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP117, and AP124 Learn More
    $1,841.99 Retail Price:  $1844.34
  4. 3M Aqua-Pure SS36 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS36 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP117, and AP124 Learn More
    $4,893.99 Retail Price:  $4896.34
  5. 3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP117, and AP124 Learn More
    $6,228.99 Retail Price:  $6231.34
  6. 660003-R PRO50 Viqua UltraViolet Water Disinfection System

    660003-R PRO50 Viqua Professional Plus UltraViolet Water Disinfection System

    Fits standard 2-inch inlet/outlet Learn More
    $5,195.99 Retail Price:  $6995.00
  7. PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel

    PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel

    Fits standard 2-inch water lines Learn More
  8. GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    Fits standard 2-inch water lines Learn More
    $999.99 Retail Price:  $1140.79
  9. MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel

    MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel

    Fits standard 1.5-inch water lines. Learn More
    $1,450.99 Retail Price:  $1453.34
  10. Harmsco PO-25-G1PS-EA Polypropylene Filter Bag

    Harmsco PO-25-G1PS-EA Polypropylene Filter Bag

    Fits the Harmsco BCB-1-1.5-EXT extended area filter bag housing Learn More
    $18.99 Retail Price:  $21.34
  11. Pentek BN-420-100 Nylon Filter Bag

    Pentek BN-420-100 Nylon Filter Bag

    Fits the Pentek PBH-420 series bag housings and other standard 20-inch bag housings Learn More
    $10.99 Retail Price:  $13.67
  12. Pentek NMO800K1S Nylon Filter Bag

    Pentek NMO800K1S Nylon Filter Bag

    Standard #1 size with 7 inch diameter by 16 inch length fits many common bag filter housings Learn More
    $5.99 Retail Price:  $8.04
  13. PO-25-G2PS-EA Harmsco Bag Filter

    PO-25-G2PS-EA Harmsco Filter Bag

    For use in Harmsco BCB Series EXT filtration housing systems Learn More
    $22.99 Retail Price:  $25.34
  14. KE100G2S Pentek Polyester Felt Bag Filter

    KE100G2S Pentek Polyester Felt Bag Filter

    Fits into steel and aluminum filtration system housings that accept #2 filter bag Learn More
    $5.09 Retail Price:  $8.15
  15. KE25G1S Pentek Polyester Felt Bag Filter

    KE25G1S Pentek Polyester Felt Filter Bag

    Fits into both steel and aluminum filter housings that accept #1 filter bags Learn More
    $4.09 Retail Price:  $7.00
  16. KO100G2S Pentek Polypropylene Bag Filter

    KO100G2S Pentek Polypropylene Filter Bag

    Fits into Pentek Carbon Steel, Stainless Steel and Aluminum filtration system housings that accept #2 filter bags Learn More
    $10.99 Retail Price:  $12.98
  17. KO25G2S Pentek Polypropylene Bag Filter

    KO25G2S Pentek Polypropylene Bag Filters

    Fits Pentek Carbon Steel, Stainless Steel and Aluminum Housings that accept #2 filter bags Learn More
    $6.19 Retail Price:  $9.42
  18. KO25HE2 Pentek Polypropylene High Efficiency Bag Filter

    KO25HE2 Pentek Polypropylene High Efficiency Bag Filter

    Fits Pentek Carbon Steel, Stainless Steel and Aluminum Housings that accept #2 filter bags. Learn More
    $16.99 Retail Price:  $19.34
  19. KO50G2S Pentek Polypropylene Bag Filter

    KO50G2S Pentek Polypropylene Bag Filter

    Fits Pentek Carbon Steel, Stainless Steel and Aluminum Housings that accept #2 filter bags. Learn More
    $6.19 Retail Price:  $9.42
  20. KO5G2S Pentek Polypropylene Bag Filter

    KO5G2S Pentek Polypropylene Filter Bag

    Fits Pentek Carbon Steel, Stainless Steel and Aluminum Housings that accept #2 filter bags Learn More
    $9.29 Retail Price:  $12.98
  21. NMO600P1S Pentek Nylon Bag Filter

    NMO600P1S Pentek Nylon Filter Bag

    Fits into steel and aluminum filtration system housings that accept #1 filter bags Learn More
    $5.99 Retail Price:  $9.19
  22. ST-BC-8 Pentek Filter Housing - Stainless Steel

    ST-BC-8 Pentek Filter Housing - Stainless Steel

    Fits standard 2-inch water lines Learn More
    $901.99 Retail Price:  $904.34
  23. WPX100BB20P Pentek Replacement Filter Cartridge

    WPX100BB20P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $33.99
  24. BN-420-50 Pentek Nylon Bag Filter

    BN-420-50 Pentek Nylon Bag Filter

    Fits Pentek PBH-420 filtration system housings Learn More
    $14.99 Retail Price:  $15.63
  25. PE25G2S Pentek Polyester Felt Bag Filter

    PE25G2S Pentek Polyester Felt Bag Filter

    Fits steel and aluminum filter housings that accept #2 filter bags Learn More
    $5.99 Retail Price:  $9.19

Items 1 to 25 of 28 total

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