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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. 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    Fits Viqua H, H+, and PRO20 UltraViolet filtration systems. Learn More
    $209.99 Retail Price:  $279.00
  2. TW30HP-2526 Filmtec Reverse Osmosis Membrane

    TW30HP-2526 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis membrane housings that require 2.5 x 26-inch membranes Learn More
    $225.99 Retail Price:  $279.99
  3. 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    Fits Viqua D/D4 PLUS, E/E4 PLUS, and F/F4 PLUS systems Learn More
    $241.99 Retail Price:  $340.00
  4. 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    Fits Viqua K, K+, PRO30, PRO50 UltraViolet filtration systems. Fits Trojan J, J+ UltraViolet filtration systems. Sterilight S80, SM80, SV50 UltraViolet filtration systems. Learn More
    $245.99 Retail Price:  $325.00
  5. BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-C Viqua UV Disinfection System Controller

    For use with Viqua VP600, VP950 ultraviolet disinfection systems. Fits discontinued Sterilight SC-600, SC-740 systems. Learn More
    $249.99 Retail Price:  $379.00
  6. 650580 Viqua Professional UV Water Disinfection System Sensor

    650580 Viqua Professional UV Water Disinfection System Sensor

    Fits Viqua H PLUS, K PLUS, and PRO series systems. Learn More
    $293.99 Retail Price:  $430.00
  7. 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    Fits Viqua PRO series and H/PLUS ultraviolet disinfection systems Learn More
    $315.99 Retail Price:  $450.00
  8. 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    For use with Viqua D4/PLUS, D4-V, E4/PLUS, E4-V, F4/PLUS, F4-V, and IHS (D4 series) ultraviolet disinfection systems Learn More
    $315.99 Retail Price:  $450.00
  9. 650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    Fits Viqua E4/PLUS and F4/PLUS ultraviolet disinfection systems Learn More
    $325.99 Retail Price:  $595.00
  10. 650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    Fits Viqua D4/PLUS and IHS-D4 ultraviolet disinfection systems Learn More
    $393.99 Retail Price:  $565.00
  11. 3M Aqua-Pure APDWS1000 Undersink Water Filter System

    APDWS1000 Undersink Water Filter System by 3M Aqua-Pure

    Fits most standard water lines Learn More
    $394.99 Retail Price:  $397.34
  12. S5Q-PV Viqua Specialty UltraViolet Water Disinfection System

    S5Q-PV Viqua Specialty UltraViolet Water Disinfection System

    Fits standard 3/4-inch inlet/outlet Learn More
    $399.99 Retail Price:  $526.00
  13. Viqua VP600 Cobalt Series UltraViolet Disinfection System

    Viqua VP600 Cobalt Series UltraViolet Disinfection System (30 gpm)

    Fits any standard 1-inch inlet/outlet Learn More
    $785.99 Retail Price:  $788.34
  14. VH410M Viqua Home Plus UltraViolet Water Disinfection System

    VH410M Viqua Home Plus UltraViolet Water Disinfection System

    Fits standard 3/4-inch - 1-inch Combo NPT fittings Learn More
    $875.99 Retail Price:  $1125.00
  15. 650682 E4 Viqua Professional UltraViolet Water Disinfection System

    650682 E4 Viqua Professional UltraViolet Water Disinfection System

    Fits standard 1-inch inlet/outlet Learn More
    $885.99 Retail Price:  $1185.00
  16. Viqua VP950 UltraViolet Water Disinfection System

    Viqua VP950 UltraViolet Water Disinfection System (46 gpm)

    Fits any standard 1-1/2-inch inlet/outlet Learn More
    $965.99 Retail Price:  $1275.00
  17. 660040-R E4-V Viqua UltraViolet Water Disinfection System

    660040-R E4-V Viqua Professional Plus UltraViolet Water Disinfection System

    Fits standard 1-inch inlet/outlet Learn More
    $965.99 Retail Price:  $1285.00
  18. IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    Uses a 20-inch Big Blue 5-micron sediment filter and a 20-inch Big Blue 5-micron carbon block filter before the UV treatment chamber Learn More
    $1,125.99 Retail Price:  $1495.00
  19. IHS22-D4 Trojan UV Disinfection System

    IHS22-D4 Trojan UV Disinfection System

    Uses a 20-inch Big Blue 5-micron sediment filter and a 20-inch Big Blue 5-micron carbon block filter before the UV treatment chamber Learn More
  20. 650683 E4+ Viqua UltraViolet Water Disinfection System

    650683 E4+ Viqua Professional Plus UltraViolet Water Disinfection System

    Fits standard 1-inch inlet/outlet Learn More
    $1,275.99 Retail Price:  $1695.00
  21. 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
  22. 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
  23. 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
  24. 650659 PRO30 Viqua UltraViolet Water Disinfection System

    650659 PRO30 Viqua Professional Plus UltraViolet Water Disinfection System

    Utilizes 1-1/4-inch MNPT x 1-inch FNPT combo fitting Learn More
    $2,795.99 Retail Price:  $3745.00
  25. 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

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