The Big Blue CTO 20in Carbon Filter is generally used as a pre filter and also as a post filter for drinking water treatment systems. CTO Carbon filter
made from 100% natural coconut shell and safe to use as a drinking water filter. Big Blue CTO Activated Carbon water filter removes bad taste,
smell, and the color of drinking water. Big Blue CTO Activated Carbon water filter removes residual chlorine / chlorine, protects our drinking water from
trihalomethane (THM) which is a dangerous chemical effect from the use of chlorine. Big Blue CTO Activated Carbon water filters reduce organic matter,
pesticides, and other chemicals from the water. The Big Blue CTO Activated Carbon water filter in the end also gives a fresh taste to drinking water.