"The TPI air curtain works wonders at keeping outside air out and inside air in. Features discharge vanes that extend the entire length of the curtain and adjust to optimize airflow performance. U.S.A. Assembly Required No, Common Usage Maintains environmental separation w/a light flow of air, Material Type 20-ga. rigid steel, Mount Height in. Up to 120, Mounting Type Above window or doorway, Speed RPM 620/1,659 Low/High , Finish Type Baked on epoxy-powder, HP 1/2, Volts 120V, Watts 154/472 Low/High , Thermal Overload Protection Yes, Variable Speed Yes, Air Delivery CFM 333/2,672 low/high , Amps 3.4/3.9 low/high. Motor is double insulated for quiet operation Motor includes a quick-disconnect to allow for easy installation and service Heater module available"
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