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

Items 1 to 25 of 492 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
  1. RS1-SS OmniFilter Whole House Filter Replacement Cartridge - front

    RS1-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $4.09
  2. MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  3. WHKF-WHPL Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  4. WHKF-WHSW Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  5. MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  6. MATRIKX-1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  7. MATRIKX-5-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  8. MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  9. MATRIKX-5-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  10. MATRIKX-CR1-10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CR1-10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $17.99
  11. MATRIKX-CR1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CR1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $33.99
  12. MATRIKX-CTO2-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  13. MATRIKX-CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  14. MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  15. FPMB20-20 Watts Flo-Pro Whole House Replacement Filter Cartridge
  16. FPMB-BB20-10 Watts Flo-Pro Whole House Replacement Filter Cartridge
  17. RS2-SS OmniFilter Whole House Filter Replacement Cartridge
  18. RS3-SS OmniFilter Whole House Filter Replacement Cartridge
  19. RS6 OmniFilter Whole House Filter Replacement Cartridge

    RS6-SS2-S06 OmniFilter Whole House Water Filter Cartridge

    Fits any brand of heavy duty whole house water filtration system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $12.99
  20. RS7-SS OmniFilter Whole House Filter Replacement Cartridge
  21. KDF55-20 Tier1 Replacement Filter Cartridge
  22. P20-20BB Tier1 Whole House Replacement Sediment Filter Cartridge

    P20-20BB Tier1 Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $24.99
  23. TO1SS OmniFilter Whole House Filter Replacement Cartridge
  24. TO6 OmniFilter Whole House Filter Replacement Cartridge

    TO6-SS2-S06 OmniFilter Whole House Water Filter Replacement Cartridge

    Fits into any brand of whole house water filtration system that accepts filter cartridges sized 9 3/4 x 4 1/2 inches Learn More
    $19.99
  25. 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge