Air filter frames in the nature of frameworks of metal for use in residential, commercial, industrial, and agriculture facilities; Air filter frames in the nature of frameworks of metal for use in air filtering installations

Dust separators; 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 for air cleaning purposes, 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; Air filters for motors and engines; Filters for cleaning cooling air, for engines; Air filters for agricultural, commercial, industrial, power generation, and residential facilities and installations, namely, air filters for mechanical purposes; Air filters for residential and commercial uses, namely, air filters for motors and engines

Air quality measurement apparatus, namely, particle counters; Air quality analyzing and monitoring apparatus and instruments, namely, electronic monitors and detectors for monitoring and detecting airborne particulates and for monitoring and measuring air speed, pressure drop, and humidity; Air quality particulate measurement instruments, namely, particle counters

Air filters for agricultural facilities and installations; Air filters for commercial facilities and installations; Air filters for industrial facilities and installations; Air filters for power generation facilities and installations; Air filters for residential facilities and installations; Air filtration machines for agricultural, commercial, industrial, power generation, and residential facilities and installations; Air pollution control equipment, apparatus, and installations for commercial and industrial use in commercial and industrial installations, namely, cartridge dust collectors in the nature of filter cartridges for industrial dust collection systems for use in pulse-jet cleaning, cartridge air filters for industrial installations, air filters for industrial installations that use fabric bags to collect dust, baghouse air filters for industrial installations that use fabric to filter air, mist collectors in the nature of air purifiers for the cleaning and purification of air, mist collectors in the nature of gas purification machines for the cleaning and purification of gases, collectors in the nature of air purifiers for capturing oil mist generated by industrial operations for the cleaning and purification of air, collectors in the nature of gas purification machines for capturing oil mist generated by industrial operations for the cleaning and purification of gases, side access filter housings specially adapted for use with air purifiers and gas purification machines, filter housings specially adapted for use with air purifiers and gas purification machines, replacement cartridge air filters for industrial installations, replacement air filter cartridges for industrial installations, replacement air filter bags for industrial installations, replacement fabric air filters for industrial installations and replacement air filters for industrial installations; Filters and filtering media for industrial and commercial use in the purification of air and other industrial fluids, namely, air filters and filtering media for industrial installations; Air filters for residential and commercial uses, namely, air filters for domestic use and industrial installations; Filters and filtering media for removal of contaminant gases and particulates for industrial, agricultural and commercial purposes, namely, air filters and filtering media for industrial, agricultural and commercial installations; Air filtering installations; Air filters for domestic use; Industrial air filter machines; Air filters for industrial and domestic installations; Air cleaning housings, namely, housings containing air handling units, air filtration units, air scrubber units and combinations thereof; Environmental control systems, namely, air filtration systems comprising filters, filter housings, test housing, housing transitions, isolation dampers, fans and parts therefor

Servicing, namely, maintenance and repair, of environmental control systems, namely, air filtration systems and installations and parts therefor; Servicing, namely, maintenance and repair, of environmental control systems, namely, dust collection and control systems and installations and parts therefor

Custom design and engineering of air filtration systems and installations for agricultural, commercial, industrial, power generation, and residential facilities; Custom design and engineering of dust control systems and installations for agricultural, commercial, industrial, and power generation facilities; Design of environmental control systems, namely, air filtration systems and parts therefor; Testing of environmental control systems, namely, air filtration systems and installations and parts therefor; Testing of environmental control systems, namely, dust collection and control systems and installations and parts therefor