Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron Pack of 1 20" x 4.5"

New/Like New
Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron Pack of 1 20" x 4.5"
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MSRP: $80.20
Product photo of Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron Pack of 1 20" x 4.5" in New/Like New condition
Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron Pack of 1 20" x 4.5" is up for auction in Tools & Home Improvement. The current bid is $2.00, 98% below the $80.20 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.
$2.00
MSRP: $80.2098% off
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Competition Level
-
Average Price
$1.60
Min Price
$0.00
Max Price
$10.50

Recently Sold

pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
LaVergne - Industrial Blvd Ste D
$1.00
Final price
Ended Jul 19, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Rogers - N Dixieland Rd.
$1.00
Final price
Ended Jul 13, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Florence - Industrial Road
$1.50
Final price
Ended Jun 16, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Florence - Industrial Road
$0.00
Final price
Ended Jun 13, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Strongsville - Drake Rd
$0.00
Final price
Ended Jun 11, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
LaVergne - Industrial Blvd Ste D
$2.00
Final price
Ended Jun 05, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Rogers - N Dixieland Rd.
$0.00
Final price
Ended May 04, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Rogers - N Dixieland Rd.
$0.00
Final price
Ended Apr 29, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron pack of 1 20" x 4.5"
Strongsville - Drake Rd
$10.50
Final price
Ended Jan 24, 2026
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron
pentair pentek rfc-20bb big blue carbon water filter, 20-inch, whole house heavy duty radial flow carbon replacement cartridge with granular activated carbon (gac) filter, 20" x 4.5", 25 micron
Georgetown Triport
$0.00
Final price
Ended Sep 09, 2025
LaVergne - Industrial Blvd Ste D
455 Industrial Blvd Ste D
LaVergne, TN 37086
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Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron Pack of 1 20" x 4.5"
Compare with Amazon
View on Amazon →
MSRP: $80.20