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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. P5-10 Tier1 Sediment Water Filter (12-pack)

    P5-10 Tier1 Sediment Water Filter (12-pack)

    Fits into most industry standard 10-inch water filtration system housings Learn More

    $40.99

  2. EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 20 x 4.5-inch housings Learn More
    $41.99 Retail Price:  $47.99
  3. EPM-20BB Pentek Whole House Filter Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More

    As Low As $43.67 Per Filter

  4. GAC20-BB Pentek Whole House Water Filter

    GAC20-BB Pentek Whole House Filter Replacement Cartridge

    Fits any heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $45.99 Per Filter

  5. EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

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

    As Low As $41.67 Per Filter

  6. MATRIKX-1-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-1-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    $40.99 Retail Price:  $51.74
  7. FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $41.99 Retail Price:  $42.54
  8. MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    $41.99 Retail Price:  $52.89
  9. AE7-CM Sprite Shower Pure 7 Filtered Shower Head (Chrome)

    AE7-CM Sprite Shower Pure 7 Filtered Shower Head (Chrome)

    Fits most existing showers Learn More
    $41.99 Retail Price:  $54.00
  10. GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    Fits standard 1/2-inch threaded shower heads Learn More
    $42.99 Retail Price:  $45.34
  11. HR5-WH Sprite Royale Handheld Shower Filter System - White

    HR5-WH Sprite Royale Shower Filter System: Handheld, White

    Attaches easily to most residential showers and baths Learn More
    $42.99 Retail Price:  $51.74
  12. CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    Fits into most Big Blue water filtration system housings that accept 20-inch x 4.5-inch filter cartridges Learn More
    $42.99 Retail Price:  $52.89
  13. ACT-8-CM Sprite Cascading Traditional Shower 8-Setting Filtered Shower Head (Chrome)

    ACT-8-CM Sprite Cascading Traditional Shower 8-Setting Filtered Shower Head (Chrome)

    Fits most existing showers Learn More
    $42.99 Retail Price:  $51.74
  14. CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head

    CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head

    Fits most standard shower lines Learn More
    $43.99 Retail Price:  $52.89
  15. MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-PB1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More

    Regular Price: $63.99

    Special Price: $45.05

  16. HSH-C135 Culligan Handheld Filtered Shower Head with Massage

    HSH-C135 Culligan Handheld Filtered Shower Head with Massage

    Fits any standard 1/2-inch threaded shower arm Learn More
    $46.99 Retail Price:  $57.49
  17. CQE-RC-04052 Crystal Quest Bath Ball Filter Replacement Disk

    CQE-RC-04052 Crystal Quest Bath Ball Filter Replacement Disk

    For use in the Crystal Quest CQE-SP-00808 and CQE-SP-00809 Bath Ball filters Learn More
    $46.99 Retail Price:  $55.19
  18. CQE-SP-00808 Crystal Quest Bath Ball Filter

    CQE-SP-00808 Crystal Quest Bath Ball Filter

    Hangs from your tub spigot Learn More
    $48.99 Retail Price:  $58.64
  19. HE7-CM Sprite Shower Pure 7-Setting Hand-Held Shower Filter (Chrome)

    HE7-CM Sprite Shower Pure 7-Setting Hand-Held Shower Filter (Chrome)

    Fits most existing showers Learn More
    $48.99 Retail Price:  $58.64
  20. HR5-CM Sprite Royale Handheld Shower Filter System - Chrome
  21. Sprite HO2-BN High Output Universal Shower Filter (Brushed Nickel)

    Sprite HO2-BN High Output Universal Shower Filter (Brushed Nickel)

    Fits most showers Learn More
    $49.99 Retail Price:  $59.79
  22. Sprite HO2-CM High Output Universal Shower Filter (Chrome)
  23. ACA5-CM Sprite Cascading Contemporary 5-Setting Filtered Shower Head (Chrome)

    ACA5-CM Sprite Cascading Contemporary 5-Setting Filtered Shower Head (Chrome)

    Fits most existing showers Learn More
    $49.99 Retail Price:  $59.79
  24. HC5-CM Sprite Cascading Contemporary Shower 5-Setting Filtered Hand-Held Shower Head (Chrome)

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