45,000 BTU 'Aire-Flo' Single Stage Downflow PSC Direct Drive Multi-Speed Natural Gas Furnace, Volts:120, Hertz:60, Phase:1, Airflow:Downflow, CFM:1200, Efficiency:95, Gas Connection:1/2" N.P.T., Ignition:Hot Surface, Flue:2", Input/Output BTU's:44,000/43,000, Plenum Dims:16-1/4"W X 19-1/2"D, Dims:33"H X 17-1/2"W X 28-1/2"D, Weight:121 Lbs, In Mfg Box, Made In Mexico. (Approved Natural Gas To LP Conversion Kit:11K49 Not Included)