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GAC20-BB Pentek Whole House Filter Replacement Cartridge

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GAC20-BB Pentek Whole House Filter Replacement Cartridge

Quick Overview

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

Availability: In stockShips Tomorrow, Aug 28th

$45.99 Retail Price:  $56.80


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.
  • 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


Package Qty 1
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) 25,000
Filter Life (liters) 94,635.25
Filter Life (months) 6 months
Micron Rating (Nominal) 20
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 4.00
Flow Rate (lpm) 15.14


Reduces the following contaminants:
  • The PENTEK-GAC20-BB does not reduce fluoride.

The PENTEK-GAC20-BB is comparable with the following part numbers


Replacement for the Following UPC


4 Item(s)

per page
A great product with a outstanding price Review by John
The price was great and I plan to order again from Discount filter store. (Posted on 9/29/11)
OK Review by Attorney Robert
so far so good. easy installation. customer support very helpful. will return (Posted on 1/15/13)
Works fine Review by Wayne
This filter works fine. (Posted on 10/4/14)
Love the price and how well it works! Review by Leah
Had been paying twice the cost with my well service for the filter. I am on a fixed income and thrilled to find your company on line and your great prices!! (Posted on 10/15/14)

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