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GAC20-BB Pentek Whole House Water Filter

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GAC20-BB Pentek Whole House Filter Replacement Cartridge

$53.99 Save 19% (MSRP: $66.31)

Quick Overview

Fits any heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges
4 4


The PENTEK-GAC-20BB cartridge provides effective reduction of chlorine and bad taste & odor from your drinking water. The filter cartridge is manufactured to prevent channeling or bypass and maximize contact with the filter media. The innovative post-filter reduces carbon fines before the water leaves the cartridge for cleaner, better tasting drinking water. Ideal for general-purpose water filtration with a high flow rate. Order today!

  • Drop-in cartridge design allows for quick filter change on most heavy duty 20 inch housings
  • Designed for maximum adsorption with post-filter to reduce carbon fines
  • Genuine OEM Product
  • User Guide for PENTEK_GAC20_BB_FILTER


Used In Brands Pentek
Manufacturer's Id GAC20-BB
UPC 051678249437
Advertised Size (in) 20 x 4-1/2
Actual Size (in) 20 inches (length) x 4 1/2 inches (outside diameter)
Actual Size (cm) 50.8 x 11.43
Media Granular Activated Carbon
Primary Filter Media Granular Activated Carbon
Post Filter Media Spun Polypropylene
Materials of Construction End Caps: Polystyrene, Outer Casing: Polystyrene, Expansion Pad: Polypropylene, Gaskets: Buna-N (top) and Santoprene (bottom)
Filter Life (gallons) 25000
Filter Life (liters) 94635.25
Filter Life (months) 6 months
Micron Rating (Nominal) 20
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 4
Flow Rate (lpm) 15.14


Reduces the following contaminants:

The PENTEK_GAC20_BB_FILTER is comparable with the following part numbers


Replacement for the Following UPC