Filters Fast® FF20GAC-20 Replacement for Pentek GAC20-BB

The Filters Fast® FF20GAC-20 is the compatible replacement filter for the Pentek GAC20-BB. The FF20GAC-20 Big Blue Granular Activated Carbon Filter Cartridge effectively reduces chlorine taste and odor and other bad tastes and odors from your drinking water. This filter also features a 20-micron filter rating that captures suspended carbon fines before they exit the filter. This double length filter also fits all 20" x 4.5" filter housings including the #20 Big Blue housings.

Filters Fast® FF20GAC-20 Filter Specifications:

• Part Number: FF20GAC-20
• Micron Rating: 20
• Filter Media: Granular Activated Carbon (GAC)
• Reduces Chlorine, Taste and Odor
• Dimensions: 4 1/2 inches x 20 inches
• Capacity: 30,000 gallons (depending on water quality and usage)
• Flow Rate: 4 GPM @ 5 psi
• Temp Range: 40 - 125 °F
• Replaces Part number 155249-43.

Compatible fits most filter housings that require a 20 inch filter including the following systems:

• Cuno
• 3M Aqua-Pure
• Omni
• American Plumber
• GE
• Flotec
• Honeywell
• Sears

Customer Reviews:

Total Reviews: 2 | Average Rating: 4.5 / 5.0

alan Mackey2021-11-02

Getting too expensive

Collected by Trustpilot.com

Dan Sullivan2021-05-12

Second time purchasing (I buy 4 at a time) and these filters work very well. Have had no issues at all. I will continue to purchase these.

Collected by Trustpilot.com

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

California Residents: Prop 65 Warning

Customer Reviews

Total Reviews: 3 | Average Rating: 5 / 5.0

Julie B.2022-03-25

Easy online ordering and fast delivery! Will definitely use them again!

Collected by Trustpilot.com

Marsha Busto2021-06-11

Been using Pentek filters for years and never had any problems at all. Great product!

Collected by Trustpilot.com

Travis2007-05-20

Excellent quality filter! Does the job and less expensive on filtersfast.com.

Collected by FiltersFast.com