Culligan D-250A Undersink Water Filter Replacement Cartridge

Price: $37.49
Availability: In stock
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
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  • 1 Filter $37.49  
  • 2 Filters Price: $36.39 each
  • 3 Filters Price: $35.29 each
  • Ships fast!
  • Reduces impurities that can impact the flavor and quality of your drinking water
  • Assembled in the USA from a mix of foreign and domestic parts
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A genuine OE part, proudly assembled in the USA from a mix of foreign and domestic parts, the Culligan D-250A undersink water filter replacement cartridge will reduce sediment, bad taste and odor for up to six months after installation. Fits easily into undersink water filtration systems that use 9-3/4 inch x 2-1/2 inch cartridges. Order the Culligan D250-A undersink water filter replacement cartridge online today.
Package Qty 1
Used In Brands Culligan
Manufacturer's Id D-250A
UPC 033663005693
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 Granular Carbon and Carbon Block
Primary Filter Media Granular Activated Carbon
Pre Filter Media Activated Carbon Block
Filter Life (gallons) 500
Filter Life (liters) 1,892.71
Filter Life (months) 6 months
Micron Rating (Nominal) 0⋅05
Certifications NSF/ANSI Standard 42
Includes One Granular Carbon Cartridge, One Carbon Block Cartridge
Primary Filter Media Granular Activated Carbon

Reduced Contaminants

The CULLIGAN-D-250A reduces the following contaminants:

  • Asbestos
  • Bad Taste and Odor
  • Chlorine Taste & Odor
  • Cysts
  • Fluoride NF
  • Lead
  • Mercury
  • Pesticides
  • Sand
  • Sediment
  • Turbidity
  • VOCs

The CULLIGAN-D-250A is comparable with the following part numbers

039861-WI-001 155584-44 D250 D250A
D-250A P250 P-250 P250A
P-250A SY-2300 SY-2300S SY-2650
W250 W-250 1019067


  1. NOTE: Install the Culligan D-250A water filters with the black gasket end pointing up.
  2. Turn off water supply. Press red pressure-relief button (if present)
  3. Unscrew housing. Remove large o-ring, wipe clean and set aside
  4. Discard used filter cartridge. Wash housing with dish soap and warm water using a nonabrasive sponge or cloth. Rinse thoroughly
  5. Fill 1/3 with water. Add about 1 tablespoon of bleach and scrub to disinfect. Rinse thoroughly
  6. Lubricate o-ring with clean silicone grease. Change o-ring if any damage cuts or degradation are present. Insert o-ring in groove
  7. NOTE: This step is important to ensure a proper housing seal. Make certain the o-ring is seated level in the groove
  8. Insert new filter cartridge
  9. Screw housing onto the cap and hand-tighten. Do not over tighten. Make sure cap standpipe slips into cartridge
  10. Turn on water supply. Press pressure-relief button (if present). Check for leaks before leaving installation

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