VENTS

Ventilating ducts of metal, Metal hose clamps, Door panels of metal, Metal ceiling panels, Metal door panels, Doors of metal; metal vent covers for HVAC ducts

Dampers, namely, control devices used in air ducts to regulate the flow of air, Heat registers, Diffusers for Air distribution and ventilation, Bathroom exhaust fans, Ceiling fans, Electric fans, Electric fans for household purposes, Electric heating fans, Electric window fans, Ventilating exhaust fans, Ventilating fans for commercial and industrial use, Air-conditioning, air cooling and ventilation apparatus and instruments, Laboratory ventilation hoods, Oxygen concentrators for use with fuel cells used in heating, ventilation, air conditioning, lighting, and power systems for buildings, Ventilation hoods, Ventilation hoods for stoves, Electric heaters for commercial use, Air cleaning units containing an air filter, ultraviolet lights and a photo catalytic filter, Air filters for industrial installations, Air filters for domestic use, Air filters for air conditioning units, Air conditioners, Evaporators for air conditioners, Shower doors, Shower panels, and HVAC equipment, namely, air duct flow silencers