Pentek / Culligan RFC20-BB Radial Flow Carbon Filter - 25 Micron

Pentek RFC20-BB | Our#: 175792

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Pentek / Culligan RFC20-BB Radial Flow Carbon Filter - 25 Micron

Pentek / Culligan RFC20-BB Radial Flow Carbon Filter  - 25 Micron

4-1/2" Diameter for "Big Blue" or Grande 20" Housings

The RFC-BB heavy duty filter is designed to reduce chlorine taste and odor.  It is ideally suited for high flow, point of entry applications.  This filter is 4-12" in diameter and fits in large, "big blue" housings.  Change filter approx. every 2 months.


  • Reduce taste/odor/chlorine from drinking water
  • The unique radial flow design offers the benefits of granular activated carbon (GAC) filtration, such as low pressure drop, reducing the release of carbon fines commonly associated with GAC style cartridges.
  • Unique design reduces carbon fines in filtered water
  • Fit most housings that accept standard 4-1/2" X 20" filters
  • NSF Tested and Certified

Materials of Construction:
Filter Media: Granular Activated Carbon
End Caps: Polypropylene
Outer Shell: Polyethylene
Gasket: Buna-N
Inner Wraps/Core: Polypropylene

Temp Rating - 40°F TO 125°F


Capacity: 70,000 Gallons
Certifications: NSF 42
Filter Dimensions: 20" L X 4-1/2" Dia.
Flow Rate: 4 Gallons Per Minute
Material: Spun Polypropylene Core and GAC
Micron Rating: 25
Reduction Claims: Chlorine Taste, Odor, Sediment

Replaces These Filters:

American Plumber: 155247
American Plumber: WRC25HD20
Pentek: 155247-51

Fits In These Systems:

Most Brands: 20" "Big Blue" Housings