Black Opal Carbons (formerly INDOCARB AC LLC) is a premium NSF 42 certified coconut shell activated carbon manufacturer with ISO 9001, 14001 & 45001 certified factory and annual production capacity of 50 million lbs. IndoCarb CATALYTIC Activated carbon is rated as one of the best in the industry for Chloramine removal. IndoCarb products are NSF 42 & NSF 61 certified for the water treatment industry including the POU filter, municipal/industrial markets. The group is headquartered in Pittsburgh, PA with factory in India and sales offices in the Middle East, Africa, Europe and India. BO group has product warehouses in the states of Florida, Ohio & New Jersey in the US from where we service our clients across North America and South America.