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- Micron Rating
- Media Type
- NSF 42 Certified
- NSF 53 Certified


The Pentek GAC20-BB fits most whole house filter housings that require a 20 inch filter including the following systems:
- Cuno
- 3M Aqua-Pure
- Omni
- American Plumber
- GE
- Flotec
- Honeywell
- Sears
This double length filter also fits #20 Big Blue housings.
The Pentek GAC20-BB 20" Big Blue Granular Activated Carbon (GAC) Filter Cartridge effectively reduces chlorine taste and odor and bad taste and odor from your drinking water. The GAC-20BB features a 20 micron post filter that captures suspended carbon fines before they exit the filter.
Pentek GAC-20BB, GAC20BB Specifications:
- Part Number: GAC-20BB
- Filter Media: Granular Activated Carbon (GAC)
- 20 Micron Rating
- Reduces Chlorine, Taste and Odor
- Dimensions: 4 1/2 inches x 20 inches
- Capacity: 25,000 gallons - 6 months
- Flow Rate: 4 GPM @ 5 psi
- Temp Range: 40 - 125°F
- NSF 42 Certified for Material Requirements


Customer Reviews
Excellent quality filter! Does the job and less expensive on filtersfast.com.
Collected by FiltersFast.com