Under Sink Filters

Pentek 20 inch GAC Filter Cartridge Replacement

Pentek 20 inch GAC Filter Cartridge Replacement
Pentek GAC-20 20" Granular Activated Carbon Filter  Reduces the following contaminants: 75.00% of Chlorine Taste & Odor The PENTEK-GAC-20 does not reduce fluoride. UPC: 667486967960

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On sale! FREE DELIVERY ON OVER $100 Total Price: $39.00 tax incl. Each: $39.00 tax incl.

RRP : $69.00 each tax incl.

You save: $30.00 (43%)

20inch cb-1020x

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 CB-1020X  CTO/2 5 micron 20 inch x 2.5 inch water filter cartridge


The Pentek GAC-20 Granular Activated Carbon Filter Cartridge effectively reduces chlorine taste and odor and bad taste and odor from your drinking water. The GAC-20 features a 20 micron post filter that captures suspended carbon fines before they exit the filter. Part Number 155111-43.

The Pentek GAC-20 Specifications:

  • 20 Micron Rating
  • Reduces chlorine taste and odor
  • Reduces bad taste and odor
  • Dimensions: 20" x 2 7/8"
  • Capacity: 10,000 Gallons

  • Flow Rate: 2 GPM @ 16 psi
  • Temp Rating: 40 - 125 F
  • NSF Certified for Material Requirements

The GAC20 fits most whole house and reverse osmosis systems that require a 20" filter including systems by Cuno, 3M Aqua-Pure, Omni, American Plumber, GE, Flotec, Honeywell, and Sears.

Reduces the following contaminants:

  • 75.00% of Chlorine Taste & Odor
  • The PENTEK-GAC-20 does not reduce fluoride

Used In Brands Ace, American Plumber, Aqua-Pure, Cuno, Flotec, Fulflo, GE, Honeywell, Master Plumber, Omni, Pentek, Sears, Teledyne
Manufacturer's Id GAC-20
UPC 051678111437
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) 10,000
Filter Life (liters) 37,854.10
Filter Life (months) 12 months
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 2
Flow Rate (lpm) 7.571

Pentek GAC-20 Water Filter Replacement Information:
Pentek GAC-20 water filters are easy to install in whole house systems and home water treatment systems.
The Pentek GAC-20 filter is NOT recommended for use in a whole house application. If you are looking for a whole house filter, the RFC-20 filter is a better filter for a whole house application.
Replace the Pentek GAC-20 drinking water filter cartridge every 10,000 gallons of water. The GAC-20 filter change interval varies based on your water supply and water usage.
Pentek GAC-20 Water Filter Equivalent Brands:
The following Culligan, Ametek, USFilter, and Plymouth Products model holds the Pentek GAC-20 drinking water filter cartridge: #20 Blue
The Pentek GAC-20 Drinking Water Filter Cartridge also fits Cuno, AquaPure, Omni, Sears, Fulflo, Teledyne Water Pik, Ace, Master Plumber, Flotec, Honeywell, General Electric, American Plumber, and most other water filter housings for 20" x 2.5" filters.


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Pentek 20 inch GAC Filter Cartridge Replacement (39 AUD )