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D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge

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D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge

Save 31% (MSRP: $50.99)

Quick Overview

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
5 3


D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge for water filtration systems that use 9 3/4 inch x 2 1/2 inch cartridges.

  • Top of the line Culligan drinking water replacement cartridge
  • Recommended for city and well water supplies
  • Made in the U.S.A.
  • Genuine OEM Product


Package Qty 1
Used In Brands Culligan
Manufacturer's Id D-40
UPC 033663005242
Advertised Size (in) 10 x 2-1/2
Actual Size (in) 9 3/4 inches (length) x 2 1/2 inches (outside diameter)
Actual Size (cm) 24.77 x 6.35
Media Carbon Block
Primary Filter Media Carbon Block
Filter Life (gallons) 600
Filter Life (liters) 2,271.25
Filter Life (months) 6 months
Micron Rating (Nominal) 0.5
Flow Rate (gpm) 0.60
Flow Rate (lpm) 2.27


Reduces the following contaminants:

The CULLIGAN-D-40 is comparable with the following part numbers

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3437717 GE GN1S15CBL OmniFilter OB3 Sears 34377
4234377 GE GN1S20C OmniFilter OT2 SY-2000
852-657 GE GX1S01C OmniFilter OT32 SY-5167
Ace 48167 GE GX1S04C OmniFilter SFM2 Teledyne WaterPik IR-70
American Plumber W-40 GE GX1S15 OmniFilter SFM3 True Value 852-657
American Plumber WLC-R GE GX1S15C OmniFilter Super US-550
Ametek CTR-210 LC1 OmniFilter TC3 US-600
Ametek Kleen-Plus CMR-10 Master Plumber 852-657 OmniFilter Total 2 US-640
CMR-10R OmniFilter CB20 OmniFilter Total Plus Whirlpool WHCF-DB2
D-40 OmniFilter CB3 OmniFilter U400 Whirlpool WHCF-DDF2
D-40A OmniFilter CB3 Series A OmniFilter U450 1020636

Replacement for the Following UPC