When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s) - $0.00
You have no items in your shopping cart.

FREE DELIVERY on orders over $39*

Whole House Water Filters & Systems

Whole House Filters by DiscountFilterStore.com

23 Item(s)

Grid  List 

Set Descending Direction
  1. AP902 Aqua-Pure Whole House Water Filtration System

    AP902 Aqua-Pure Whole House Water Filtration System

    Fits multiple styles of water filter cartridge, based on your water quality Learn More
    $204.99
  2. AP11T Aqua-Pure Whole House Water Filtration System

    AP11T Aqua-Pure Whole House Water Filtration System

    Uses 3/4 inch female pipe thread inlet / outlet. Fits multiple styles of replacement filters, based on your water quality. Learn More
    $79.99
  3. AP903 Aqua-Pure Water Filtration System
  4. WP5BB97P Pentek Replacement Filter Cartridge
  5. EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More
    $17.99
  6. EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More
    $51.99
  7. W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $9.99
  8. WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR, WVC34, WH34, ST-1, ST-2, ST-3 and most standard size water filter housings Learn More
    $12.99
  9. AP110 Aqua-Pure Whole House Filter Replacement Cartridge

    AP110 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $10.99
  10. AP110-2 Aqua-Pure Whole House Filter Replacement Cartridge

    AP110-2 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits Aqua-Pure whole house water filter systems Learn More
    $19.99
  11. W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $11.99
  12. AP110-2C Aqua-Pure Whole House Filter Replacement Cartridge

    AP110-2C Aqua-Pure Whole House Water Filter Cartridge

    Fits Aqua-Pure whole house water filtration systems that accept 20 x 2.5 inch filters Learn More
    $20.99
  13. AP110-3 Aqua-Pure Replacement Filter Cartridge
  14. AP910R Aqua-Pure Replacement Filter Cartridge

    AP910R Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Cuno Aqua-Pure AP902 Water Filtration System Learn More
    $112.99
  15. AP917R Aqua-Pure Replacement Filter Cartridge

    AP917R Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Cuno Aqua-Pure AP903 Water Filtration System Learn More
    $161.99
  16. APS117 Aqua-Pure Whole House Filter Replacement Cartridge

    APS117 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $28.99
  17. AP815-2 Aqua-Pure Whole House Filter Replacement Cartridge

    AP815-2 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits Aqua-Pure whole house water filter systems Learn More
    $77.39
  18. AP815 Aqua-Pure Whole House Filter Replacement Cartridge

    AP815 Aqua-Pure 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
    $41.39
  19. AP117 Aqua-Pure Whole House Filter Replacement Cartridge

    AP117 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $22.99
  20. AP420 Aqua-Pure Whole House Filter Replacement Cartridge (2-Pack)

    AP420 Aqua-Pure Whole House Filter Replacement Cartridge (2-Pack)

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $87.99
  21. AP810 Aqua-Pure Whole House Filter Replacement Cartridge

    AP810 Aqua-Pure 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
    $29.99
  22. AP810-2 Aqua-Pure Whole House Filter Replacement Cartridge

    AP810-2 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits Aqua-Pure whole house water filter systems Learn More
    $47.99
  23. PS5-10C Pentek Whole House Replacement Sediment Filter Cartridge