Air filters for industrial installations; air filters for industrial installations; air filters for exhaust extractors, specifically, air filters for industrial installations; air filters for use as dust arrestants in industrial processes, namely, air filters for industrial installations; filters for gas conditioning in residential and industrial installations; air filters for use as dust extractors in industrial installations; filters for cleaning gases, namely, air filters for industrial installations for gas conditioning; air filters for industrial use; dust filters, namely, filter cartridges for industrial dust collection systems for use in pulse-jet cleaning; filters for use with apparatus for ventilating; air filters for industrial installations, namely, for refrigeration systems; filters for air extractor hoods; range hoods; apparatus for ventilating, namely, turbine ventilators, filter cages being parts of air filters for industrial installations
Environmental Control Apparatus