The Pentek RFC20-BB replacement radial flow carbon water filter, used in place of the WRC25HD20, is a radial flow filter that reduces chlorine taste & odor and other bad tastes, including coarse sand, rust, and scale particles in your water. This whole home water filter features a radial design and extra length that provides a higher flow rate for your whole house. This radial flow carbon filter is also known as WRC25HD20 by American Plumber and as part number 155247.

Pentek RFC20BB Specifications:

• Part Number: RFC20BB; 155247
• Micron Rating: 25
• Service Life: 70,000 gallons (chlorine @ 4 gpm); 6 months
• Dimensions: 4-1/2"x20"
• Operating Temperature: 40 - 125 F
• Flow Rate: 4 GPM @ 0.90 psi drop
• Reduces Chlorine and Bad Taste & Odor
• Meets NSF Standard: 42
• Reduces: Sand, Rust, Dirt and Scale Particles
• Capacity for Chlorine Reduction: 70,000 @ 4 GPM
• For more information, view the product manual

The Pentek RFC20-BB fits the following housings:

• W2010-PR
• W2015-PR
• Standard size 20" housings with 4-1/2" diameter

The Hydronix SDP-4520 Carbon Filter is the correct replacement for the following:

• American Plumber WRC25HD20
• American Plumber WRC25-HD20
• American Plumber 155247-51
• Ametek RFC-20BB
• Bruner RFC-20BB
• Culligan RFC-20BB
• Kleen Plus RFC-20BB
• Pentek RFC-20BB
• Pentek 155247-43
• Plymouth Products RFC-20BB
• USFilter / US Filter RFC-20BB

The Hydronix SDP-4520 20" Radial Flow Carbon Filter is a 25 micron whole house carbon filter is ideal for odor reduction and chloramine taste in Point-of-Entry Systems (POE) and other high-flow rate applications. This sediment depth cartridge should not be used with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.

Hydronix SDP-4520 20" Radial Flow Carbon Filter Specifications:

• Part Number: SDP-4520
• Rating: 25 microns
• Dimensions: 4 1/2" x 20"
• Flow rate: 0.9 psi at 4 gpm
• Fits most 20" filter housings

The Hydronix SDP-4520 20" Radial Flow Carbon Filter fits the following compatible housing units: Hydronix HF45-20BLBK34, HF45-20BLBK34PR, HF45-20BLBK10, HF45-20BLBK10PR, HF45-20CLBK10PR, HF45-20BLBK15 and HF45-20BLBK15PR; Pentek 10" and #20 Big Blue, Big White and Big Clear Housings; Pentek 150467, 150233, 150234, 150239, 150240, 150235, 150236, 166227, 166141, 166142, 166144, 150111 and 150194 housings, along with most 20" x 4 1/2" housing units.

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