Carbon Block Cartridge # FWCB2005 • 2.5" x 20", 5 Micron Franklin Water

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SKU	FWCB2005
Brand	Franklin Water Treatment
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Overview
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Franklin 5 Micron Filtration in a CBC Filter

The FWCB2005 carbon block cartridge offers a powerful blend of size and performance, delivering 5 micron filtration across a full 20" length. Constructed using premium coconut shell activated carbon, this cartridge ensures superior removal of chlorine, bad taste, and unpleasant odors from water sources of various qualities.

With its extended surface area, this model handles higher flow rates and capacities—up to 37,000 gallons at 2 gpm—making it ideal for households or commercial installations where demand is greater. Its optimized carbon structure provides high sediment retention and long service life with minimal fines.

Designed for use in reverse osmosis systems, point-of-entry filtration, and general water purification, the FWCB2005 supports applications in residential, commercial, and industrial environments alike. It's built with safe, durable materials and tested to NSF/ANSI 42 and 61 standards.

Choose Franklin Water Treatment Canada (formerly Waterite) for quality carbon filtration technology that meets today's water treatment expectations—no compromises.

FWCB SERIES — Carbon Block Filter Cartridges

Waterite Replacement Guide & Filter Specs Waterite > Franklin Replacement Guide & Filter Specifications

* Waterite > Franklin Water Treatment Canada > Compatibility?
* Item # in first column replaces Waterite Sku # in second column
* If item is not available — Contact Us
Item #	Waterite #	Size	Micron Rating	Initial ΔP @ Flow	Capacity @ Flow
FWCB1005	CBC-5CTO3	2.5" x 10"	5	2.0 psid @ 1 gpm	>17000 gal @ 1 gpm
FWCB2005	CBC20	2.5" x 20"	5	2.0 psid @ 2 gpm	>37000 gal @ 2 gpm
FWCB10B05	CBC10B05	4.5" x 10"	5	3.0 psid @ 3 gpm	>60000 gal @ 3 gpm
FWCB20B05	CBC20BCTO	4.5" x 20"	5	4.0 psid @ 4 gpm	>120000 gal @ 4 gpm
FWCB10P5	CBC05CTO3NX	2.5" x 10"	0.5	3.0 psid @ 1 gpm	>20000 gal @ 1 gpm
FWCB20P5		2.5" x 20"	0.5	3.0 psid @ 2 gpm	>45000 gal @ 2 gpm
FWCB10BP5		4.5" x 10"	0.5	4.5 psid @ 3 gpm	>70000 gal @ 3 gpm
FWCB20BP5		4.5" x 20"	0.5	5.0 psid @ 4 gpm	>150000 gal @ 4 gpm
Shared Filter Cartridge Specs:
Certified: NSF 42, NSF 61 Max Temp ºC: 50º Max Temp ºF: 120º

Materials of Construction:

Filter Media: 100% Coconut Shell
End Caps: Polypropylene
Gasket: Natural Rubber
Inner/Outer Wrap: Polypropylene
Netting: Polypropylene

Applications:

Potable & Process Water
Food & Beverage
Water Purification Systems
Pre/Post-Filtration for RO
Fits 20" Standard & 20" Slimline Housings

Performance:

Operating Temperature: 4-50ºC (40-120ºF)
Nominal ΔP for Replacement: 1.5 Bar (22 psi)
Maximum Operating Pressure: 10 Bar /150 psi

NSF:

Tested and certified by NSF International to NSF/ANSI 42 for material requirement only.

Product Category Filters Product Lines Filtered by Category Franklin Water Treatment Product Category Filters

Franklin Water Treatment Canada – Formerly Waterite delivers advanced water treatment systems and filtration solutions designed to improve water quality for residential and light commercial applications.

Building on the Legacy of Waterite, a respected Canadian water treatment manufacturer for nearly 40 years, Franklin Water Treatment Canada continues to provide reliable equipment engineered to address difficult water purification challenges such as hardness, chlorine, sediment, and other contaminants.

About Franklin Water Treatment Canada & Waterite

Now part of Franklin Electric, Waterite continues its legacy as Franklin Water Treatment Canada – combining decades of trusted service with the innovation of a global leader. Solutions include water softeners, filtration systems, and reverse osmosis systems, all engineered to meet the diverse water treatment needs of Canadian homes and businesses.

With a focus on performance, reliability, and practical system design, Franklin Water Treatment Canada offers a broad portfolio of water softeners, filtration systems, drinking water solutions, and point-of-use filtration products. These systems are designed to help protect plumbing and appliances while delivering cleaner, better-tasting water for homes and businesses.

The Franklin Water Treatment Canada product lineup includes complete water softener systems such as the HC, CC, MA, HP, and FWT series. These systems are engineered to address common water quality concerns including hardness, chlorine, iron, sediment, and other contaminants that can affect both water performance and taste.

In addition to full treatment systems, Franklin Water Treatment Canada offers an extensive range of point-of-use and point-of-entry filter cartridges. These include carbon block, granular activated carbon (GAC), pleated, polyspun, stringwound, and specialty cartridge designs suited for residential and commercial filtration applications.

Cartridge families include a broad range of Franklin Water (Waterite) Filters: Carbon Block, Impregnated Carbon, Granular Activated Carbon, Radial Hi Flow GAC, Inline Carbon, Pleated Sediment, Spun Polypropylene, Dual Gradient Polyspun, Stringwound Sediment, Stringwound Hot Water, Dual Media Polypropylene and High Flow Pleated filter / cartridges. Providing a comprehensive selection of dependable options for your reverse osmosis, drinking water, and whole-house filtration requirements.

If you are looking for a specific Franklin Water Treatment Canada system, replacement filter cartridge, or a compatible Waterite crossover part not listed on this page, please contact us by email or call our office (1-866-489-4004) for assistance. We can help you identify the correct filtration or water treatment solution for your application.

Browse our full selection of Franklin Water Treatment Canada water softeners, filtration systems, drinking water systems, and replacement filter cartridges and get dependable water treatment components shipped FAST from our Canadian warehouse DIRECTLY to your door. A real Water Guy can help you select the right system to improve your water quality.