CTO (Chlorine, Taste, Odour) cartridges are formed by extruding activated carbon with food-grade binders into a solid block. Filtration works through adsorption, contaminants are attracted to and held on the surface of the carbon as water passes through, significantly improving the taste, odour and overall purity of your water.
The carbon media is a blend of acid washed bituminous GAC and water washed coconut shell GAC, giving an economical cartridge with low pressure drop and effective taste and odour reduction.
CTO cartridges are a carbon stage, not a sediment stage, they're designed to be run second, after a polyspun or pleated cartridge has removed sediment, silt and rust. This protects the carbon block from premature clogging and extends its working life, while the CTO stage focuses on what it does best: improving taste and removing odour and organic matter.
Fits big 10" and 20" jumbo housings.
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