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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. HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  2. HBSF-Orng Hydros Side-Fill Water Purifier Bottle - Orange Lid
  3. HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid

    Pink Lid Hydros Side-Fill Water Purifier Bottle (#HBSF-Pnk)

    16 ounce water bottle Learn More
    $27.99 Retail Price:  $34.49
  4. F8-WHITE Instapure Ultra Faucet Filter System - White

    F8-WHITE Instapure Ultra Faucet Filter System - White

    Fits most standard kitchen water faucets Learn More
    $28.99 Retail Price:  $31.04
  5. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More

    Regular Price: $21.99

    Special Price: $21.05

  6. SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 4.5-inch filters Learn More
  7. WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  8. 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
    $23.99 Retail Price:  $29.99
  9. RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  10. TIER1-DGD1-20BB Whole House Sediment Water Filter

    DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 20 x 5-inch housings Learn More
    $21.99 Retail Price:  $24.34
  11. R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits many styles of water filter housings that accept 20 x 5-inch filters Learn More
    $20.99
  12. WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge

    WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge

    Fits WFDW120009W DuPont Universal Drinking Water Filter System and other brands of 10-inch standard-size filter systems Learn More
    $22.99 Retail Price:  $29.99
  13. 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 Retail Price:  $32.92
  14. CMB-520-HF Advanced Water Products 20-inch x 4.5-inch Replacement Sediment Filter

    Advanced Water Products CMB-520-HF Whole House Filter for IHS22-D4 System

    Made for the Trojan UV Max IHS22-D4 Water Disinfection System Learn More
  15. 64553 Jura Clearyl Coffee Machine Replacement Cartridge

    64553 Jura Clearyl Coffee Machine Replacement Cartridge

    Fits all Jura automatic coffee machines Learn More
    $23.99 Retail Price:  $29.99
  16. 1236268 Merlin Reverse Osmosis Pre Filter

    1236268 GE Merlin Reverse Osmosis Pre Filter

    Fits standard 40 x 2-1/2 inch filter housings Learn More
    $29.99 Retail Price:  $32.34
  17. ZR-001-B ZeroWater 5-Stage Dual Ion Exchange Filter Replacement Cartridge
  18. CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    Fits most 20 x 4.5-inch filter housings including the Viqua IHS22-D4 water disinfection system Learn More
    $27.99 Retail Price:  $39.00
  19. QS-463 Viqua Quartz Sleeve for S463RL UV Lamp

    QS-463 Viqua Quartz Sleeve for S463RL UV Lamp

    For use with Viqua ultraviolet disinfection systems using the S463RL UV lamp Learn More
    $29.99 Retail Price:  $45.00
  20. 602916 Viqua Top Sleeve Bolt

    602916 Viqua Top Sleeve Bolt

    Fits Viqua PRO series, H/PLUS, K/PLUS systems. Fits discontinued Trojan UV Max G/PLUS, J/PLUS systems. Learn More
    $25.99 Retail Price:  $28.34
  21. 1833-0001 WaterBrick 3.5 Gallon Stackable Water and Food Storage
  22. 1833-0003 WaterBrick 3.5 Gallon Stackable Water and Food Storage
  23. 1833-0005 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  24. 1833-0006 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  25. DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System

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