10 X 4.5 Carbon Block With Kdf55 Replacement Filter by Tier1 (5 micron)

Price $57.99
Availability: Out of stock
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The Pentek DBC-10EX2 Comparable Whole House Water Filter by Tier1 is 10-inch L x 4.5-inch W. The filter can be used in all number 10 Big Blue or number 10 Big Boy housings. The Tier1 KDF55-10BB-WF Water Filter cartridge has 2 pounds of KDF-55. This filter reduces chlorine taste and odor, water-soluble heavy metals, and controls scale, bacteria, and algae in your water. KDF is a patented medium that consists of high purity copper-zinc granules that use redox (exchange of electrons) to effectively reduce chlorine and heavy metals as well as controlling microorganisms in potable water. The Tier1 KDF55-10BB-WF Water Filter cartridge features activated Coconut Shell Carbon and a sediment element for increased dirt-holding capacity.
Package Qty 1
Used In Brands Pentek, Tier1
Manufacturer's Id KDF55-10BB
UPC 799932614088
Advertised Size (in) 10 x 4-1/2
Actual Size (in) 10 inches (length) x 4.5 inches (width)
Actual Size (cm) 25.4 x 11.43
Media KDF 55 with Activated Carbon Block
Primary Filter Media Activated Carbon Block
Filter Life (months) 6 months
Micron Rating (Nominal) 5
Flow Rate (gpm) 2
Flow Rate (lpm) 7.57
Warranty Guarantee Unconditional Product Guarantee for Life of the Product


Reduces the following contaminants:

  • Algae
  • Bacteria
  • Chlorine Taste & Odor
  • Hard Scale
  • Heavy Metals

The TIER1-KDF55-10BB is comparable with the following part numbers

255748 255748-43
AF-10-2013-BB DBC-10EX2
FC25574843 KDC55-03-10BB


  1. Change cartridges every 6 months or sooner if a bad taste and/or odor occur
  2. The o-ring in the housing should also be replaced and lubricated to prevent leakage
  3. Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system
  4. After installation, the filter should be flushed with sufficient water to remove all traces of fines

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