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Tier1 Pentek GAC-20 Comparable Granular Activated Carbon Filter

Price $15.99
Availability: In Stock
Choose a quantity
  • 1 Filter $15.99  
  • 3 Filters Price $15.49 each
  • 6 Filters Price $14.99 each
  • Ships fast!
  • Improves the taste of drinking water
  • Build for performance and priced for value
  • Manufactured for housings that require a 20 x 2.5 inch filter cartridge
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The Tier1 Pentek GAC-20 Comparable Granular Activated Carbon Filter reduces chlorine taste and odor from your drinking water. This filter reduces contaminants and impurities down to 20 micron, ensuring you have cleaner, great tasting drinking water. Tier1 water filters are built for performance, but priced for value. Order the Tier1 Pentek GAC-20 Comparable Granular Activated Carbon Filter today!
Package Qty 1
Manufacturer's Id GAC-20
UPC 799932613883
Advertised Size (in) 20 x 2-1/2
Actual Size (in) 20 inches (length) x 2 7/8 inches (outside diameter)
Actual Size (cm) 50.8 x 7.3025
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) 2.500
Filter Life (liters) 37,854.10
Filter Life (months) 12 months
Micron Rating (Nominal) 20
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 2
Flow Rate (lpm) 7.571
Warranty Guarantee Unconditional Product Guarantee for Life of the Product

Reduced Contaminants

The TIER1-GAC-20 reduces the following contaminants:

  • Chlorine Taste & Odor

The TIER1-GAC-20 is comparable with the following part numbers



  1. After installing the TIER1- GAC-20 filter cartridge, run 5 gallons of tap water through it to flush out any carbon fine particles which may be present in the unit
  2. After installing the TIER1-GAC-20 water filter, air bubbles may be present for the first few days
  3. To keep your filter system operating efficiently, replace the TIER1-GAC-20 cartridge annually or after 2500 gallons of use, whichever comes first

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