Whole House Systems
  • Drinking Water Systems
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  • Culligan


    Culligan D-40A Under Sink Replacement Water Filter

    • The Culligan D-40A carbon block water filter is a 0.5 micron extra fine sediment water filter

    • The Culligan D-40A filter cartridge removes greater than 99.95% of Cryptosporidium and Giardia cysts

    • The Culligan D-40A water filter reduces Lindane and Atrazine (a pesticide and herbicide), mercury, bad taste and odor, sediment, and chloramine

    format_list_bulleted Features & Specs
    Package Qty: 1
    Manufacturer: Culligan
    Manufacturer's Id: D-40A
    UPC: 033663005242
    Actual Size (in): 9 3/4 inches (length) x 2 1/2 inches (outside diameter)
    Media: Carbon Block
    Primary Filter Media: Carbon Block
    Brand: Culligan
    Advertised Size: 10 x 2-1/2
    Length (in): 9.75 in
    Outside Diameter (in): 2.5 in
    Media Type: Carbon Filter
    UPC's For Search: 10033663005249 | 033663005242
    Micron Rating Nominal: 0⋅5
    description Instructions
    1. The Culligan D-40A under sink water filter life is up to 6 months or 600 gallons, depending on the quality of your water
    2. The Culligan D-40A should be installed with the end of the filter with the hole, facing up
    3. If no water is passing through the system, the filter is likely installed upside down
    4. If the flow restriction in the Culligan D-40A is too great, you can increase the flow rate by drilling a larger hole, where the existing hole is, with a 1/8-inch drill bit
    warning_amber Contaminants Reduced
  • Asbestos
  • Atrazine
  • Bad Taste And Odor
  • Chlorine
  • Cysts
  • Lead
  • Lindane
  • Mercury
  • Particulates Class I
  • Sediment
  • Turbidity
  • filter_alt Filter Life
    Filter Life (gallons): 6 months

    Prop65 warning applies to products that contain carbon media. Click here for more details

    WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov

    The Culligan D-40A replacement filter reduces extra-fine dirt, sand, sediment, silt, rust particles, and turbidity. The Culligan D-40A water filter removes greater than 97% of lead. The Culligan D-40A water filters reduce bad taste and odor, sediment, and asbestos. Fits in undersink water filter systems. The Culligan D-40A is recommended for use with city and well water supplies. The Culligan D-40A water filter is tested and certified by NSF International to NSF/ANSI Standard 42/53 in model US-600A and US-600 which means that the Culligan D-40A replacement filter has passed rigorous testing standards.

    Note: Culligan has changed the model number of this filter from D-40 to D-40A due to a design change. The contaminant reduction remains the same. The D-40A has a flow restrictor which will reduce the flow rate more than the original D-40. The original D-40 is no longer being manufactured.

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