Duraheat, 13,500-18,000 BTU, Portable 360 Degree Double Tank Propane LP Heater, Gray/Green, Piezo Ignition, Heats In A 360 Degree Radius, Built In Oxygen Depletion Sensor, Safety Tip Over Shut Off, Protective Grill Guard, Single 1 Button Lighting/Heat Control, Swivel Valve For Easy Loading, Utilizes 2 Disposable 1 LB Propane Bottles, Built In Carry Handle For Easy Mobility, 450 SQFT, Outdoor & Indoor Options.

360 of instant radiant, infrared heat in a small and portable design
Swivel valve for easy tank loading
Safety tip-over shut off
Built-in oxygen depletion sensor
Protective grill guard
Single 1 button lighting/heat control
Built-in carrying handle for easy mobility
Utilizes two disposable 1 lb LP cylinders
Can also use a 20 lb refillable tank with optional extension hose (for outdoor use only)