About this item

• 4, 000, 9, 000, or 18, 000 BTU per hour
• Heats up to 450 sq. ft.
• Hi-Med-Low heat settings
• Automatic low oxygen shut-off system (ODS) and accidental tip-over safety shut-off
• THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE .