Discount Water Filters and Air Filters at Discount Filter Store.com

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Whole House Water Filters & Systems

Choose from over 100+ whole house water filters from some of the industry’s top brands including, Pentek, Rusco, Culligan and more. Whole house water filter systems are placed on the main water line entering your home, and designed to remove rust, sediment, chlorine and other chemical contaminants from all water entering your home. So no matter where you are in your house, whether it’s the guest bedroom shower, outside hose, kitchen or bathroom sink, you and your family can have clean, healthy and great tasting water.

Not only does a whole house water filter give you the luxury of clean great tasting water from every faucet in the house it can also help extend the life of appliances that use water, such as dishwashers, water heaters and washing machines, because it removes the sediment, chlorine and other contaminants that would otherwise be entering those appliances.

Not looking for a whole house water filter, check out huge selection of:

Faucet-mounted filters

Under sink water filters

Shower filtration systems

Countertop water filter systems

Water filter pitchers

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  1. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $126.05 MSRP:  $171.99
  2. DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  3. 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99 MSRP:  $42.00
  4. Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $19.66 Per Filter

  5. AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $28.99 MSRP:  $32.19
  6. CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge

    CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $49.49 MSRP:  $66.99
  7. CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge

    CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $43.99 MSRP:  $66.69
  8. CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge

    CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $59.99 MSRP:  $94.29
  9. W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    Fits all Doulton Gravity systems Learn More
    $29.00 MSRP:  $47.91
  10. PCF1-10MB Pentek Whole House Filter Replacement Cartridge

    PCF1-10MB Pentek 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
    $24.99 MSRP:  $30.69
  11. W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    Fits most standard 2.5-inch by 10-inch filter housings Learn More
    $62.00 MSRP:  $82.65
  12. WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

    WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

    Fits Watts Kwik-Change Drinking Water & Reverse Osmosis Water Filtration Systems Learn More
    $17.99 MSRP:  $25.29
  13. TFM-36-EB Desal Reverse Osmosis Membrane

    TFM-36-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220549, TFM-36-EB and TFM-36-EN Learn More
    $56.09 MSRP:  $94.99
  14. TFM-24-EB Desal Reverse Osmosis Membrane

    TFM-24-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220537, TFM-24-EB and TFM-24-EN Learn More
    $56.09 MSRP:  $83.99
  15. TFM-18-EB Desal Reverse Osmosis Membrane

    TFM-18-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220545, TFM-18-EB, TFM-18-EN Learn More
    $63.29 MSRP:  $81.99
  16. US-UF3 Culligan Ultrafiltration Drinking Water System

    US-UF3 Culligan Ultrafiltration Drinking Water System

    Filter capacity of six months or 500 gallons of water usage Learn More
  17. AF-10-3695 Aries Arsenic Removal Water Filter

    AF-10-3695 Aries Arsenic Removal Water Filter

    Sized 10 x 2.5 inches Learn More
    $57.99 MSRP:  $77.04
  18. CQE-RC-04003 Crystal Quest Multi Stage ULTRA Water Filter Cartridge

    CQE-RC-04003 Crystal Quest Multi Stage ULTRA Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $61.89 MSRP:  $81.99
  19. CQE-RC-04006 Crystal Quest Fluoride Water Filter

    CQE-RC-04006 Crystal Quest Fluoride Water Filter

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems. Sized 2 7/8 inches by 9 3/4 inches. Learn More
    $47.99 MSRP:  $63.24
  20. CQE-US-00320 Crystal Quest Undersink Triple Arsenic PLUS Filtration System

    CQE-US-00320 Crystal Quest Undersink Triple Arsenic PLUS Filtration System

    Attaches to and fits beneath most standard sinks Learn More
    $154.49 MSRP:  $270.99
  21. CQE-US-00324 Crystal Quest Undersink Triple Nitrate PLUS Filtration System

    CQE-US-00324 Crystal Quest Undersink Triple Nitrate PLUS Filtration System

    Attaches to and fits beneath most standard sinks Learn More
    $134.99 MSRP:  $136.84
  22. HL4021TF GE Desal Nano Filtration Reverse Osmosis Element

    HL4021TF GE Desal Nano Filtration Reverse Osmosis Element

    Sized 4 x 21 Learn More
    $272.99 MSRP:  $316.24
  23. EV9256-18 Everpure QL1-SingleHead Water Filter Head

    EV9256-18 Everpure QL1-SingleHead Water Filter Head

    Comes with mounting bracket and 3/8 inch NPT fittings. Fits Everpure water filters exclusively Learn More
    $33.08 MSRP:  $42.54
  24. 200370 Axeon High Rejection HR3-2540 Commercial Reverse Osmosis Membrane

    200370 Axeon High Rejection HR3-2540 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 2540 sized membranes Learn More
    $169.99 MSRP:  $205.99
  25.  200392 Axeon Ultra-Low Energy HF5-4014 Commercial Reverse Osmosis Membrane

    200392 Axeon Ultra-Low Energy HF5-4014 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 4014 sized membranes Learn More
    $170.19 MSRP:  $262.99

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