Reznor natural gas heater

Reznor natural gas fired heater 45k btu . I have 1 left . Made for low ceilings . Can be converted to propane kit costs about 80 bucks. 1 heater heats a 3 car garage no problem . Picture is the heater I have in my garage . Heater is used but is in good working condition . Get ready for the coming winter . Thanks - Phil