Used for general ventilationAYHL chemical filters (abbreviated as AYHL carbon cylinder) adopt particle active carbon and are used to remove harmful gases and unpleasant smells in the air.With features such as strong absorption ability , reliable performance , easy installation and maintenance and low transportation cost , AYHL chemical filters are suitable for industrial ventilation and central air-conditioning systems. Carbon cylinder unitAYHLcarbon cylinder stalled on a special frame .A certain amount of carbon cylinders consist&...