Universal Air & Gas offers Industrial Precipitators for Indoor Air Quality (IAQ) 3 ton to 40 ton units. Like the Commercial (C-series), the industrial, in-duct designs use housing or cabinet structures to support the cells installed within them. The galvanized cabinet structure can be factory finished on it exterior in enamel at the customers option. Seal welding of the cabinet is also available at option and required for UL710 ductwork installations. Again, In-duct design means that the precipitator is supplied without an air handler and will be cut into a section of horizontal flow ductwork. Commercial cell designs are typically applied to applications where frequent and aggressive cleaning of the cells.