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Pentek CFB-Plus20BB Filter - 20" Big Blue Carbon


Pentek CFB-Plus20BB Filter - 20" Big Blue Carbon
$44.99 /ea
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Product Information

The Pentek CFB-Plus20BB Water Filter Cartridge Replacement for Whirlpool UltraEase WHKF-R-PLUS is the compatible filter. This filter is a 20-inch Big Blue carbon block water filter replacement for use in many water filter systems, especially whole house filter systems. It is an enhanced version of the basic Pentek CFB-20BB filter that offers even more chlorine and sediment reduction. The Pentek CFBPlus20BB is a large diameter Big Blue filter (4 1/2") which features a higher flow rate and reduces or removes more chlorine and sediment than standard diameter (2 1/2") water filter cartridges. It also has a longer filter life compared to other similarly sized filter cartridges.

This Pentek filter replacement cartridge uses advanced Fibredyne carbon block technology for up to two times the chlorine taste and odor reduction and dirt holding capacity of standard carbon block filters. It removes or reduces sediment, dirt, sand, rust, and other impurities.

Filter Specifications:

  • Weight: 3 pounds
  • Connection: Drop in
  • Temp. Range: 40 - 180 F
  • Micron Rating: 5 microns
  • Filter Media: Carbon block
  • Initial Pressure Drop: 2.5 PSI @ 4GPM
  • Exact Dimensions: 20" length x 4 5/8" diameter
  • Reduces: Chlorine, sediment, dirt, rust, sand, and more
  • Gallons Per Minute: About 4 GPM flow rate depending on specific filter system
  • Filter Life: About 12 months or 50,000 gallons depending on usage and water quality
  • NOTE: This cartridge should be flushed for a few minutes prior to first use in order to remove excess carbon fines

Pentek CFB-Plus Series water filter cartridges are manufactured entirely from FDA approved materials and can be used for numerous in-home, undersink, commercial, food service, and light industrial uses.

This Pentek CFBPlus-20BB filter is also known by Pentek part number 255678-43 / 25567843.


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" I just received my filters - thank you for the excellent work that you guys do! I'm a very happy customer. " - Mike, San Marcos, TX
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