Pentek RFC-20BB Radial Flow Water Filters (20-inch x 4.5-inch)

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Pentek RFC-20BB Radial Flow Water Filters (20-inch x 4.5-inch)

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Fits most stand housings built for 20-inch x 4.5 inch filter cartridges

  • Provides chlorine taste and odor reduction for better tasting water in every glass
  • Nominal 25 micron radial flow carbon water filter cartridge.
  • The Pentek RFC-20BB filter cartridge has a unique design that reduces carbon fines in filtered water.
  • Polypropylene core and end caps inhibit the growth of bacteria on the filter
Price: $58.99 (Retail Price: $82.91 )
    • Quantity
    • Unit Price
    • 1 - 2
    • $58.99
    • 3 - 5
    • $57.22
    • 6 +
    • $55.50
  • Provides chlorine taste and odor reduction for better tasting water in every glass
  • Nominal 25 micron radial flow carbon water filter cartridge.
  • The Pentek RFC-20BB filter cartridge has a unique design that reduces carbon fines in filtered water.
  • Polypropylene core and end caps inhibit the growth of bacteria on the filter

Pentek RFC20-BB Use and Benefits

Pentek RFC-20BB radial flow carbon water filters produce healthier, better-tasting drinking water. The Pentek RFC-20BB water filter provides effective chlorine taste & odor reduction. The Pentek RFC20-BB water filters are constructed with a 25 micron porous polyethylene outer shell and durable polypropylene end caps. The 4-1/2-inch outside diameter cartridge incorporates a spun polypropylene core. Sandwiched between the outer shell and the core is a bed of granular activated carbon (GAC). The unique radial flow design offers the benefits of granular activated carbon (GAC) filtration, such as low pressure drop, while at the same time significantly reducing the release of carbon fines commonly associated with GAC style cartridges.

Point of Entry Application

The Pentek RFC-20BB water filter cartridges are ideal for point-of-entry (POE) and other high flow rate applications. High flow rate allows this cartridge to meet the demanding needs of modern homes. With a long filter life this filter can deliver great tasting water to every faucet in your home for up to 100,000 gallons or 6 months. When a filter exchange is necessary simply remove it from the filter housing and replace the existing cartridge. No need to hassle with large whole house tank systems and additional plumbing.

Carbon Filter Media

Carbon media, whether as granular activated carbon or as a carbon block functions as a fantastic water filtration media due to its incredibly high porosity. This high porosity maximizes the surface area contaminants are exposed to and ensures that contaminants have a great chance of being captured and reduced from your drinking water. Carbon filters are known for being effective at reducing the unpleasant taste and odors associated with city water chlorine treatment. If you are looking for better tasting water with excellent contaminant reduction try out a carbon filter today!


NOTE: The granular activated carbon cartridges will contain a very small amount of carbon fines (very fine black powder). After installation, a new cartridge should be flushed with sufficient water to remove all traces of the fines from your water system before use. Each time you use your filtered water for drinking or cooking purposes it is recommended that you run (flush) the tap for at least 20 seconds prior to using water. This is particularly important if the water tap has not been used daily.

NOTE: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.

For item spec information please read the Pentek RFC20-BB User Guide

  • Genuine OEM Product
Reduces the following contaminants:
  • Chlorine Taste & Odor
  • The PENTEK-RFC20-BB does not reduce fluoride
  • Sand
  • Sediment
  • Silt
Used In Brands Ametek, Culligan, Pentek, US Filter
Manufacturer's Id RFC20-BB
UPC 051678247433
Advertised Size (in) 20 x 4-1/2
Actual Size (in) 20 inches (Length) x 4-1/2 inches (Outside Diameter)
Actual Size (cm) 50.8 x 11.43
Media porous polyethylene
Primary Filter Media Granular Activated Carbon
Materials of Construction Inner Wraps/Core: Polypropylene, End Caps: Polypropylene, Gasket: Buna-N, Outer Shell: Polyethylene
Filter Life (gallons) 100,000
Filter Life (liters) 378,541.18
Filter Life (months) 6 months
Micron Rating (Nominal) 25
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 4
Flow Rate (lpm) 15.142
Certifications NSF/ANSI Standard 42
Includes One 25 Micron RFC20-BB Prentek Carbon Filter Cartridge
Primary Filter Media Granular Activated Carbon
The Pentek RFC20-BB is comparable with the following part numbers:
American Plumber WRC25HD20, WRC25-HD20, 155247-51
Ametek RFC-20BB
Bruner RFC-20BB
Culligan RFC-20BB
Kleen Plus RFC-20BB
Plymouth Products RFC-20BB
USFilter / US Filter RFC-20BB
TIER1-RFC-20BB
155247 | 175792 | 155247-43 | 56027-01 | AP817 | RFC20-BB | RFC-20BB

Water Filter Housings for the Pentek RFC20-BB water filter:
155247 Pentek RFC-20BB filter fits in housings for 20 inch Big Blue water filters.
Fits in Culligan / USFilter / Ametek / Pentek 20" Big Blue Whole House Water Filter System

Instructions