Emits 4£¬000£¬ 9£¬000 or 18£¬000 BTU/hr radiant heat

Designed and approved for indoor and outdoor use

Heats up to approximately 400 square feet

3 temperature settings: low£¬ medium£¬ and high

Connects to two 1 lb. cylinders

Swivel regulators

Automatic low Oxygen Shut-Off System (ODS)

Accidental tip-over safety shut-offZ