Gas Wall and Ceiling Unit Heater, Gas Type NG/LP, Combustion Type Field Convertible, Fan Type Propeller, BtuH Input 90,000, BtuH Output 72,900, 1,100 cfm Air Flow, 6.4 A Full Load Amps, Gas Connection 1/2 in, Flue Dia. 4 in, O.C. Mounting Adjustable,...