45,000BTU Industrial Fan Heater 1, Mobile air heater 2, Auto shut-off device 3 ... gas heater.*Kerosene forced air heater, gas forced air heater, industrial electric fan heater, indirect fired diesel heater etc.* ... .EMC.GOST,ROHS approvedAuto Shut-Off DeviceApplication Field:1, Industial field-constructing site, workshop, warehouse, ... field-chicken house, duck house, etc. 1 year warrenty kerosene heater