This is an granular activated carbon cartridge, made from coconut shell. It improves the taste and odor by removing chlorine. It has a superior capacity for adsorbing volatile organic chemicals without getting permaturely clogged with sediment.
We use this cartridge in our systems primarily for chlorine and organic chemical removal.
This is the replacement cartridge in the post-filter position in all our MB Series filters.
The cartridge casing itself is re-useable. So, you can dump the spent carbon in your garden and the casing can get re-used. Very Earth Friendly!