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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.

Items 1 to 25 of 53 total

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  1. CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System
  2. CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System
  3. CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System

    CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System

    Fits any standard faucet Learn More
    $159.99 Retail Price:  $186.29
  4. 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
    $47.99 Retail Price:  $65.54
  5. CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $70.99 Retail Price:  $83.94
  6. 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
    $44.99 Retail Price:  $66.69
  7. 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
    $61.99 Retail Price:  $94.29
  8. CQE-WC-00906 Crystal Quest Water Cooler

    CQE-WC-00906 Crystal Quest Water Cooler

    Fits any standard cold water line Learn More
    $599.99 Retail Price:  $692.29
  9. CQE-WC-00907 Crystal Quest Water Cooler

    CQE-WC-00907 Crystal Quest Water Cooler

    Fits any standard cold water line Learn More
    $702.99 Retail Price:  $810.74
  10. CQE-WC-00908 Crystal Quest Turbo Ultrafiltration Countertop Water Cooler

    CQE-WC-00908 Crystal Quest Turbo Ultrafiltration Countertop Water Cooler

    Fits any standard cold water line Learn More
    $519.99 Retail Price:  $600.29
  11. CQE-WC-00909 Crystal Quest Water Cooler

    CQE-WC-00909 Crystal Quest Water Cooler

    Fits any standard cold water line Learn More
    $596.99 Retail Price:  $688.84
  12. CQE-WH-01132 Crystal Quest 2.0 Whole House Nitrate Filter System

    CQE-WH-01132 Crystal Quest 2.0 Whole House Nitrate Filter System

    Fits standard 3/4-inch or 1-inch water lines Learn More
    $1,659.99 Retail Price:  $1911.29
  13. CQE-WH-01215 Crystal Quest Multi 1.5 Whole House Iron Hydrogen Sulfide Filter System

    CQE-WH-01215 Crystal Quest Multi 1.5 Whole House Iron Hydrogen Sulfide Filter System

    Fits standard 3/4-inch or 1-inch water lines Learn More
    $2,599.99 Retail Price:  $2992.29
  14. CQP-WC-05900 Crystal Quest Water Cooler

    CQP-WC-05900 Crystal Quest Water Cooler

    Fits any standard cold water line Learn More
    $792.99 Retail Price:  $910.79
  15. CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head

    CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head

    Fits most standard shower lines Learn More
    $43.99 Retail Price:  $52.89
  16. CQE-WC-00910 Crystal Quest Sharp Reverse Osmosis/Ultra-Filtration Floor Water Cooler

    CQE-WC-00910 Crystal Quest Sharp Reverse Osmosis/Ultra-Filtration Floor Water Cooler

    Sized at 13 inches x 13 inches x 42 inches Learn More
    $665.99 Retail Price:  $768.19
  17. CQE-CT-00128 Crystal Quest Countertop Ceramic Water Filter System

    CQE-CT-00128 Crystal Quest Countertop Ceramic Water Filter System

    Fits easily onto your kitchen faucet. Sized at 5x12 inches Learn More
    $123.99 Retail Price:  $144.89
  18. CQE-CT-00132 Crystal Quest Countertop Fluoride Water Filter: Double Fluoride PLUS

    CQE-CT-00132 Crystal Quest Countertop Fluoride Water Filter: Double Fluoride PLUS

    Fits easily onto your kitchen faucet. Sized 10x14 inches Learn More
    $138.99 Retail Price:  $162.14
  19. Crystal Quest Clear Water Filter Pitcher (#CQE-PI-00600)

    Crystal Quest Clear Water Filter Pitcher (#CQE-PI-00600)

    Fits the following Crystal Quest water filter pitchers: CQE-PI-00600 and CQE-PI-00601 Learn More
    $24.99 Retail Price:  $35.64
  20. CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge

    CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $23.99 Retail Price:  $28.74
  21. CQE-RC-04001 Crystal Quest Reusable Pleated Water Filter Cartridge

    CQE-RC-04001 Crystal Quest Reusable Pleated Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $14.99 Retail Price:  $27.59
  22. 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
    $64.99 Retail Price:  $91.99
  23. CQE-RC-04005 Crystal Quest Ceramic Water Filter Cartridge

    CQE-RC-04005 Crystal Quest Ceramic Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $57.99 Retail Price:  $68.99
  24. 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 Retail Price:  $63.24
  25. CQE-RC-04014 Crystal Quest Carbon Block Water Filter Cartridge

    CQE-RC-04014 Crystal Quest Carbon Block Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $39.99

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