11 Blower wheels for environmental and climate control; air blowers for environmental and climate control and parts and accessories therefor, namely, blower wheels, cross flow fans, housings, and blades; fan blades and fan blade assemblies specially adapted for air blowers for environmental and climate control; electric fans and parts and accessories therefor, namely, fan blades, fan blade assemblies; ventilating exhaust fans for hydroponic grow rooms and parts and accessories therefor, namely, fan blades, fan blade assemblies; air blower assemblies for environmental and climate control, electric fan assemblies, and ventilating exhaust fan assemblies for hydroponic grow rooms, and parts and accessories for all the foregoing, namely blower wheels, housings, fan blades, fan blade assemblies; ventilation blower wheels for ventilating exhaust fans; ventilation fans for environmental and climate control; blades for ventilation fans for environmental and climate control; blades for ventilating exhaust fans; propellers for ventilation fans for environmental and climate control and ventilating exhaust fans; ventilating fans and blowers for commercial and industrial use and parts and accessories therefor, namely, fan blades, fan blade assemblies, propellers, and housings; fans and blowers for air conditioning and HVAC apparatus and parts and accessories therefor, namely, fan blades and fan blade assemblies; component and replacement parts for ventilating fans for environmental and climate control and air blowers for environmental and climate control, namely, fan blades, fan blade assemblies, propellers, and housings