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Pentek - 155247-43 RFC-20BB Carbon Filter (20" x 4.5"), 25 Micron

Pentek - 155247-43 RFC-20BB Carbon Filter (20" x 4.5"), 25 Micron

Q: In what way is this filter diffrrent (better?) than the gac-20bb? for whole house chlorine removal before a water softener.

These are both carbon filters, and will fit the same housings, the main difference is how they are constructed, which affects the performance. RFC20-BB filters offer a radial flow design which greatly reduces the pressure drop (RFC20-BB is rated at 0.9 psi pressure drop at 4 gpm, while the GAC-20BB you are comparing to is rated at 10 psi pressure drop @ 4gpm). The RFC20-BB filters also have a higher filtration capacity. RFC20-BB are rated at >100,000 gallons of chlorine taste and odor reduction at 4gpm, while the GAC-20BB are rated at 25,000 gallons.

Q: Would this work with other 20 x 4.5 filter systems, like a replacement for an american plumber wrc25hd20?

RandyYes this filter will work in other systems that take 4"x 20" filter

Q: This filter is 1/2 " longer then the old one will it still work?

This filter is designed to fit into the 10 inch Big Blue filter housings which is similar in size to most other 10 inch heavy duty filter housings. We have not made changes to the length of these cartridges, so if you had this model previously, it should still fit correctly. Not knowing what specific housing you have, I cannot for certain tell if this cartridge will fit. If you would like further details, please reach out to our technical support team (USA based) at 800-279-9404.

Q: Is this good enough for a spotless car wash filter?

The RFC can be used as pretreatment for equipment that actually provides spotless rinse. This filter in itself does not provide spotless rinse.

Product ID: 349244447

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Details

Material
Carbon Fibre
Item weight
1.13 kg
External testing certification
NSF ANSI
Brand
Pentek
UPC
051678247433

⚡Low pressure drop radial flow

💧25 micron sediment filtration

🌡️Wide temp range 40-125°F

Description

💧 Elevate your water game with every drop!

UNIVERSAL FIT - Compatible with most standard 20-inch Big Blue housings for easy upgrades.
EFFORTLESS FLOW - Radial flow design ensures high water flow up to 2 GPM with minimal pressure loss.
BUILT TO PERFORM - Operates reliably across a broad temperature range (40-125°F) for versatile use.
PRECISION FILTRATION - 25 micron rating captures sediment, protecting your home’s water appliances.
CRYSTAL CLEAR HYDRATION - Effectively reduces chlorine, taste, and odor for pure, refreshing water.

The Pentek RFC-20BB carbon filter cartridge delivers superior chlorine, taste, and odor reduction with a 25 micron sediment filter. Its radial flow design maintains high flow rates up to 2 gallons per minute at low pressure drop, fitting most 20-inch Big Blue housings. Engineered for residential whole-home or point-of-use systems, it operates efficiently across 40 to 125°F, ensuring clean, great-tasting water throughout your home.

Specifications

Material	Granular Activated Carbon
Product Dimensions	4.5"D x 4.5"W x 20"H
Item Weight	2.5 Pounds
External Testing Certification	NSF, ANSI
Product Benefits	Removes Odor
Brand	Pentek
UPC	051678247433
Global Trade Identification Number	00051678247433
Unit Count	1.0 Count
Number of Items	1
Manufacturer	Pentair Industries
Part Number	155247-43
Item Weight	2.5 pounds
Item model number	RFC20-BB
Is Discontinued By Manufacturer	No
Size	Pack of 1
Color	White
Style	20" x 4.5"
Pattern	Water Filter
Item Package Quantity	1
Number Of Pieces	1
Certification	NSF
Batteries Included?	No
Batteries Required?	No
National Stock Number	4610-01-570-6746

Have a Question? See What Others Asked

In what way is this filter diffrrent (better?) than the gac-20bb? for whole house chlorine removal before a water softener.

Would this work with other 20 x 4.5 filter systems, like a replacement for an american plumber wrc25hd20?

This filter is 1/2 " longer then the old one will it still work?

Is this good enough for a spotless car wash filter?

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