Gas Wall and Ceiling Unit Heater, Gas Type NG/LP, Combustion Type Field Convertible, Fan Type Propeller, BtuH Input 45,000, BtuH Output 36,450, 550 cfm Air Flow, 3.2 A Full Load Amps, Gas Connection 1/2 in, Flue Dia. 4 in, O.C. Mounting Adjustable,...