Diffusing and dispensing units for air fresheners and custom scenting room deodorizers for commercial and institutional use *, excluding laboratory use *

High-efficiency particulate air filters for scientific, laboratory and forensic apparatus; ultra-low particulate air filters for scientific and laboratory apparatus; and filters for gas phase filtration for scientific, laboratory, and forensic apparatus; air filters specifically designed for use with laboratory equipment; laboratory and scientific equipment in the nature of ductless fume enclosures; laboratory and scientific equipment in the nature of forensic drying cabinets; clean room work...

air pollution control and abatement equipment, namely, scrubbers used for gas, mist, odor and particulate removal in commercial and laboratory environments

DUCTLESS ENCLOSURES FOR CONTAINMENT AND DIFFUSION OF COMMERCIAL, INDUSTRIAL OR LABORATORY FUMES AND COMPONENT PARTS THEREOF, NAMELY FILTERS, BLOWERS, ALARMS, LIGHTING, PLENUMS, TRAYS, CARTS, BASES, AND ENCLOSURE SECTIONS

Scrubbers Employing Fine Sprays Passing Through Mesh for Eliminating Fumes and Odors from Gases