Undersink Water Filter Replacements

Don’t settle for a replacement under sink water filter cartridge that simply fits, find one designed and manufactured specifically for your under sink water filter system.

Discount Filter Store has one of the largest selections of undersink filter cartridges. With under sink filter cartridges available in over 15+ different filter medias, 8+ different sizes (5x2½ - 20x4½), and a wide variety of filter life’s ranging from 250 gallons to 50,000+ gallons, you’re guaranteed to find the under sink water filter system and/or replacement cartridges you need. Choose from hundreds of under sink water filter cartridges from some of the industry’s top brands including American Plumber, Crystal Quest, Pentek®, Culligan®, GE, Aqua-Pure®, Whirlpool®, and more.

54 Products found

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  1. Q5533 Omnipure Undersink Replacement Water Filter

    Price $21.99 List Price Price $31.99 Save 31%
  2. EV9612-16 Everpure H-104 Replacement Water Filter Cartridge

    Price $107.99 List Price Price $154.27 Save 29%
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  3. 3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    Price $50.99 List Price Price $72.99 Save 30%
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  4. InSinkErator F-201R Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    Price $92.99 List Price Price $132.99 Save 30%
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  5. A101 Aries Undersink Comparable Filter Replacement Cartridge by Tier1

    Price $40.99 List Price Price $58.99 Save 30%
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  6. WHEEDF Whirlpool UltraEase Water Filter Pack

    Price $64.99 List Price Price $92.99 Save 30%
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  7. 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter

    Price $80.99 List Price Price $115.99 Save 30%
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  8. 3US-AF01 3M Filtrete Undersink Filter Replacement Cartridge

    Price $32.99 List Price Price $47.99 Save 31%
  9. WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    Price $43.99 List Price Price $62.99 Save 30%
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  10. FQK2J GE Undersink Water Filter Set

    Price $73.99 List Price Price $105.99 Save 30%
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54 Products found

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