FRESH AIR OF THE FUTURE

Description

Apparatuses for filtering air, namely, air filtering installations and machines for filtering air for commercial and domestic use; air filtration installations; air filtration units; air purifying apparatuses and machines; air filters for air filtration units in industrial installations; filters for air purifiers; diffusers, namely, heat diffusion collars and discs for use in furnaces; heat registers; ventilation fan accessories, namely, grilles; louver valves for ventilation; return faces for ventilation; heat and smoke ventilators; heat registers for baseboard and floor; heat registers for side wall; heat registers for ventilation; flexible duct primarily of nonmetal as part of air distribution systems; metal air duct fittings as part of air distribution systems