Optical sash sensing system for fume hoods
Oscillating baffle for airflow redirection and heat transfer enh
Oscillating baffle for airflow redirection and heat transfer...
Oscillating drive for air flow discharge
Oscillation fixed grille outlet
Outdoor fan system
Outdoor fan system
Outflow nozzle for a vehicle
Outlet device for the interior of a vehicle
Outlet nozzle for ventilation or air-conditioning systems
Outside air intake structure
Outside air introduction grill for inducting natural...
Oxygen enrichment of indoor human environments