Categories: Kitchen Ventilation Food Truck Exhaust Hoods Commercial Kitchen Type 1 Grease Hoods Commercial Kitchen Type 2 Heat & Condensate Hoods Round Exhaust Hoods Ductwork Single Wall Grease Ductwork Double Wall Grease Ductwork Duct Kits Exhaust Fans Centrifugal Upblast Exhaust Fans Centrifugal Downblast Exhaust Fans Utility Set Exhaust Fans Ceiling & Inline Fans Wall Propeller Fans Make Up Air Rooftop Supply Fans Inline Supply Fans Gravity Vents Make Up Air Heaters Parts & Accessories Hood Filters Hood Accessories Fan Accessories Motors Electrical Parts & Accessories / Electrical Kitchen Ventilation Ductwork Exhaust Fans Make Up Air Parts & Accessories Hood Filters Hood Accessories Fan Accessories Motors Electrical Variable Frequency Drive (VFD), Used with Demand Control Ventilation and Smart Control Electrical Panels (1 HP Max., 200/240 V, Single or Three Phase Input) $399.99 Variable Frequency Drive (VFD), Used with Demand Control Ventilation and Smart Control Electrical Panels (1-1/2 HP Max., 200/240 V, Single or Three Phase In) $439.99 Variable Frequency Drive (VFD), Used with Demand Control Ventilation and Smart Control Electrical Panels (2 HP Max., 200/240 V, Single or Three Phase Input) $474.99 Variable Frequency Drive (VFD), Used with Demand Control Ventilation and Smart Control Electrical Panels (3 HP Max., 200/240 V, Single or Three Phase Input) $629.99 Variable Frequency Drive (VFD), Used with Demand Control Ventilation and Smart Control Electrical Panels (5 HP Max., 200/240 V, Three Phase) $689.99 Variable Frequency Drive (VFD), Used with Demand Control Ventilation and Smart Control Electrical Panels (5 HP Max., 400/480 V, Three Phase) $714.99