It is suitable for 20" housings. There is active carbon as Granular (with dust particles) in the filter.
GAC activated carbon filter provides odor, color and taste removal in water.
Since it contains dense carbon, CTO removes more chlorine and chlorine compounds than carbons.
It is the indispensable pre-filter of Reverse Osmosis systems. It is generally used as the 2nd stage. It is the filter that has the most impact on the life of the membranes, which is the heart of the reverse osmosis system.