Catalytic Granular Activated Carbon 12×40 Coconut Shell 1 Cu Ft NSF
Ft. Iron Manganese and sulfur Removal GreenSandPlus. Removes chlorine and bad test and odor from water. Removes Chloramines from water caused by combination of Chlorine and Ammonia. 9″ x 48″ = 1 Cu Ft (1 Bag).