Air pollution control equipment, apparatus, and installations for commercial and industrial use in commercial and industrial installations, namely, dust collectors being parts of dust collecting machines, dust collecting machines that remove particulate matter from air by passing the air through a liquid medium, centrifugal dust separators, centrifugal dust collecting machines, cyclone dust separators, cyclone dust collecting machines

Precipitators used to remove dust from the air, namely, hydrostatic precipitators, electronic precipitators, and dynamic precipitators; air filters; carbon air filters; mist collectors; air intake systems comprising weather louvers, mist eliminators, inertial separators, trash screens, self-cleaning filters, oil bath filters, barrier filters, cartridge filters, evaporative coolers, and heating or cooling coils; air filtration units, namely dust arrestors and dust collectors; air filter pads; ...