AEROSOL MONITOR FOR ASSESSING PARTICULATE MATTER CONCENTRATION IN AIR

Portable air sampling and monitoring equipment containing a sensor to determine the concentration of particulate matter in air

Weather protected air sampling and monitoring equipment containing a sensor to determine the concentration of particulate matter in air

[ electric dust removing apparatus in the nature of vacuum cleaners, and parts and accessories for vacuum cleaners; namely, air filters and vacuum cleaner hoses ] * corded upright and corded canister-type vacuum cleaners with dust detection feature *