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Culligan Water Filter Replacement Cartridges & Filtration Products

Water filter cartridges and filtration products from Culligan help ensure you always enjoy the cleanest tasting drinking water, whether it’s served from your refrigerator, tap, or even the sink in your boat or RV! Below, find dozens of genuine OE Culligan products, including replacement water filter cartridges, filtration systems, tools and accessories. All products we offer are protected by our No Worries Price Match Guarantee, meaning if you see them for less anywhere else, just call us and we’ll honor the lower price. For help finding the Culligan water filtration products you need, please call us at 1-800-277-3458.


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  1. RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-3, US-EZ-3, and RV-EZ-3 Learn More
    $24.99 Retail Price:  $31.04
  2. SY-1000 Culligan Water Filtration System
  3. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  4. D-30 Culligan Level 2 Undersink Filter Replacement Cartridge

    D-30 Culligan Level 2 Undersink Filter Replacement Cartridge

    Fits Culligan US-550, US-600, US-600A, SY-2000, SY-2100, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $24.99
  5. FM-15A Culligan Level 3 On-Tap Faucet Filter System

    FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Fits any standard faucet Learn More
    $22.99 Retail Price:  $28.51
  6. 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    Fits Culligan SY1000, SY-1000s, IC-1000, RV-1000, SY-750s, IC-750, and RV-750 filter systems Learn More
    $28.99 Retail Price:  $36.79
  7. P1012581 Culligan Undersink Replacement Filter Cartridge

    P1012581 Culligan Undersink Replacement Filter Cartridge

    Fits the Culligan 201 Under Sink Water Filter System Learn More
  8. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  9. IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

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