Water-Right CT-03-CB-IO, AO Smith CT-03-CB-IO, & Purus CT-03-CB-IO Carbon Block Filter - 3 Micron
3 micron carbon block filter for Water-Right Cartridge Tank systems
Water-Right CT-03-CB Cartridge | List Price: CDN$ Our Price: CDN$500.00 You save: $366.00 Write a review. Found a Lower Price? Request a Price Beat |
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Note: Not compatible with
Enpress CT-03-CB
Nelsen NFS-03-CB-HF
Watts SCT-03CB
US Water Systems 351-CT-03-CB
Hellenbrand 109930
Enpress CT-03-CB
Nelsen NFS-03-CB-HF
Watts SCT-03CB
US Water Systems 351-CT-03-CB
Hellenbrand 109930

- Description
- Correct Filter?
- Specifications
- Reviews
- FAQ
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The Water-Right CT-03-CB-IO, AO Smith CT-03-CB-IO, & Purus CT-03-CB-IO incorporates surface modified carbon block filter technology that is highly effective reducing bad taste, odor, and chlorine from potable drinking water. The filter is made using high performance coconut shell carbon, which has more micropores compared to other types of carbon. Coupled with a unique binder system, the CT-03-CB has superior adsorption capacity and kinetic dynamics, making a cost effective water filtration solution in a size and configuration that offer ease-of-use, extended service life, less frequent cartridge replacement, superior flow capacity, and low pressure loss.
The CT-03-CB is ideal for whole house chlorine removal and general taste/odor improvement for homes on city water supplies. It is also popular for light commercial applications. Its large media volume provides far superior flow rate capacity and service life as compared to typical whole house carbon filters (4.5 x 10 Inch and 4.5 x 20 Inch "Big Blue" style cartridges). The CT-03-CB provides nominal 3 micron filtration over a service life of >250,000 gallons (almost 1,000,000 liters!) with greater than 90% chlorine reduction at flow rates up to 15 gpm (56.78 LPM). Capacity estimated based on 2ppm of free chlorine level.
All components and materials are made with FDA approved materials, and manufactured from NSF 61 certified coconut shell carbon, and are California Prop 65 compliant.
See the pressure drop vs. flow rate chart for expected pressure loss at various flow rates.
Features and Benefits:
- Far superior flow rate and service life compared to traditional "Big Blue" style carbon filters
- Large surface area to promote high flow rates, low pressure loss, and reduced cartridge replacement frequency
- Double Buna-N o-ring seals to ensure no bypass of contaminants and high chemical compatibility
Multiple manufacturers produce products with the same or similar names and model numbers and while they share some information they do not fit.
This filter fits the following brands:
- Water-Right ONE
- AO Smith ONE
- Purus ONE

Water-Right CT-03-CB-IO, AO Smith CT-03-CB-IO, & Purus CT-03-CB-IO Carbon Block Filter Specifications
Specifications | |
---|---|
Filter Type: | Carbon Block |
Micron Rating: | 3 Microns |
Service Capacity: | >250,000 gallons at 90% reduction based on 2 ppm chlorine and 15 GPM flow rate |
Max. Recommended Flow Rate: | 15 GPM (57 LPM) |
Carbon Type: | NSF 61 Validated Coconut Shell Carbon w/ Polypropylene Outer Netting Wrap |
End Cap Material: | Polypropylene |
O-Ring Material: | Buna-N |
Max Pressure (Feed): | 150 psi (<90 psi recommended) |
Water-Right CT-03-CB Cartridge 3 Micron Carbon Block Blue Series Reviews
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