ENVIRONMENTAL ELEMENTS

air pollution control apparatus, namely, wet electrostatic precipitators, dry electrostatic precipitators, dry horizontal precipitators, continuous emission monitors and parts thereof and accessories, namely, electronic controls, control panels, rigid electrodes, hoppers, duct work, rappers, filter bags, tensioning devices, dampers and manifolds sold as a unit

air pollution control apparatus, namely, wet flue gas scrubbers, dry flue gas scrubbers, semi-dry flue gas scrubbers, circulating fluidized bed reactors, separators for cleaning and purification of flue gas, reverse air fabric filters and pulse jet fabric filters