Produced from activated carbon or coal, this range of carbon granules is required in water treatment field. These granules have maximum 5% ash content and these are accessible in pure form. These anthracite coal based granules are considered as the cost effective options to treat waste air. Carbon granules are well known for their large surface area, powerful adsorption properties, exceptional strength and porous structure. As per microscopic view, these carbon substances have uniform pore structure that enables these granules to lock toxic gases into their structure through their strong suction force. These granules of carbon can be availed in different mesh sizes.