... heater.*Kerosene forced air heater, gas forced air heater, industrial electric fan heater, indirect fired diesel heater etc.*Mainly market: America ... system: ISO9001Specification 1.Portable air heater2. Function on propane gas (LPG)3. With over-heating protection4. Special nozzle, with strong oxygen ... , Stock raising field-chicken house, duck house, etc. Gas heater/LPG