50KW LPG/Propane Gas Forced Hot Air Heater 50KW/170600BTU Thermostat control:5-55degree Room&SettingTemp ... control:5-55degreeRoom&SettingTemp displayCE,GS,IP44Feature : 1. Portable air heater 2. Function on LPG(propane gas) 3. Adjustable ... site, workshop, warehouse, garage etc.Agriculture field-vegetable greenhouse, fruit and flower greenhouse, etc.Emergency incident- power outage, road sos, ...