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  1. Culligan D30 Comparable Carbon Block Whole House Water Filter by Tier1

    Culligan D30 Comparable Carbon Block Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More
    $12.99 Retail Price:  $36.99
  2. Culligan D-10-TWIN Undersink Water Filter Replacement Cartridge (Level 1, 2-Pack)

    Culligan D-10A Undersink Water Filter Replacement Cartridge (Level 1, 2-Pack)

    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
    $17.99 Retail Price:  $21.61
  3. Culligan D-15 Undersink Water Filter Replacement Cartridge (Level 1, 2-Pack)

    Culligan D-15 Undersink Water Filter Replacement Cartridge (Level 1, 2-Pack)

    Fits Culligan US-550, US-600, US-600A, RO-3000, RO-3500, RVF-10 and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $20.89 Retail Price:  $29.99
  4. Culligan D-20A Undersink Water Filter Replacement Cartridge (Level 1)

    Culligan D-20A Undersink Water Filter Replacement Cartridge (Level 1)

    Fits Culligan US-550, US-600, US-600A, RO-2127, RO-3000, RO-3500, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $16.49 Retail Price:  $23.99
  5. Culligan D-250A Undersink Water Filter Replacement Cartridge

    Culligan D-250A Undersink Water Filter Replacement Cartridge

    Fits the Culligan SY-2300, SY-2300S and SY-2650 systems and any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $38.99 Retail Price:  $46.99
  6. Culligan D-30 Undersink Water Filter Replacement Cartridge (Level 2)

    Culligan D-30A Undersink Water Filter Replacement Cartridge (Level 2)

    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
    $27.49 Retail Price:  $36.99
  7. Culligan D-40 Undersink Water Filter Replacement Cartridge (Level 4)

    Culligan D-40 Undersink Water Filter Replacement Cartridge (Level 4)

    Fits Culligan US-550, US-600, US-600A, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $37.39 Retail Price:  $50.99
  8. Culligan HF-150 Whole House Water Filtration System

    Culligan HF-150 Whole House Water Filtration System

    $22.99 Retail Price:  $35.41
  9. Culligan P1-D Whole House Water Filter Replacement Cartridge (Level 4, 2-Pack)

    Culligan P1-D Whole House Water Filter Replacement Cartridge (Level 4, 2-Pack)

    Fits Culligan HF-150, HF-160, HF-360, HF-365, and any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 Retail Price:  $17.47
  10. Culligan P5-D Whole House Water Filter Replacement Cartridge (Level 4, 2-Pack)

    Culligan P5-D Whole House Water Filter Replacement Cartridge (Level 4, 2-Pack)

    Fits Culligan HF-150, HF-160, HF-360, HF-365, and any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $8.99 Retail Price:  $16.09
  11. Culligan RWC-5 Undersink Water Filter Replacement Cartridge (Level 1)

    Culligan RWC-5 Undersink Water Filter Replacement Cartridge (Level 1)

    Fits Culligan Fulflo, WC12, LCA, WS-12, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $16.99 Retail Price:  $26.44
  12. Culligan S1A Whole House Water Filter Replacement Cartridge (2-Pack, Level 2)

    Culligan S1A-D Whole House Water Filter Replacement Cartridge (2-Pack, Level 2)

    Fits Culligan HF-150, HF-160, HF-360, HF-365, and any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 Retail Price:  $13.56
  13. Culligan D-28 Undersink Water Filter Replacement Cartridge (Level 1)

    Culligan D-28 Undersink Water Filter Replacement Cartridge (Level 1)

    Fits Culligan US-550, US-600, US-600A, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  14. Culligan NCP-10 Whole House Water Filter Replacement Cartridge

    Culligan NCP-10 Whole House Water Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  15. Culligan RV-600A Inline RV Pre-Tank Exterior Water Filter (Level 1)

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