ProCom ML250HPA Propane Gas Vent Free Heater 25000 Btu ProCom ML250HPA Propane Gas Vent Free Heate Dia: 23 1/2&rdquo;H x 26 5/8&rdquo;W x 8&rdquo;D Heats up to 1000 sq. ft. 25,000 BTU Infrared 5 plaque dual fuel