38,000 BTU-Monitor Brand *Nice Heater will work for shop or garage heats 1700sq ft-Natural Gas-Direct wall vent Heater-Comes with necessary installation ducts/vents/instruction manual Originally $1800 on saleNever Used bc we have propane and never convertedAsking $325oboTaking up space want goneWill meet in Bismarck or MandanNo holds Cash or Venmo