Cold Weather Brewing: Mr. Heater Portable Propane Heater
MH18B Portable Heater from Mr Heater.
Features: Swivel regulators and single control, Automatic low oxygen shutoff system, Accidental tip-over safety shutoff, Heats up to 400 square feet, Low, medium, and high heat level control knob for steady temperatures, Battery or A/C powered blower fan for versatility, Built-in Piezo starter for easy starts.
Always read and follow manufacturers guidelines and specifications.