Air cleaning units; Hoods for ranges; Range hoods; Roof fans; Turbine ventilators; Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilating fans for industrial purposes; Ventilating, high-velocity portable exhaust fans for commercial and agricultural use; Ventilation fan accessories, namely, grilles

Air cleaning units; Hoods for ranges; Range hoods; Roof fans; Turbine ventilators; Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilating fans for industrial purposes; Ventilating, high-velocity portable exhaust fans for commercial and agricultural use; Ventilation fan accessories, namely, grilles