DUSTEX

Air filters for mechanical purposes for industrial use; dust collecting machines for industrial use; cyclone separators; industrial dust separators and centrifugal dust collecting machines for separating particles from fluids; heat exchangers, being parts of machines, for industrial use

Heat exchangers, other than parts of machines, for industrial use; emission control systems composed primarily of indirect contact heat exchangers and ozone-based control devices using gas and vapor condensing to control and treat emissions, for industrial use; air filters for industrial use, namely, air filters for industrial installations