The Mr. Heater 540 degree 30,000 - 45,000 BTU tank top radiant propane heater is the perfect solution for economical and reliable heat in a variety of outdoor heating applications. The 360 degree burner head provides a radius of warmth with a multi-directional bracket that can swivel an additional 180 degrees, giving you all around heat where you need it. Easy and quiet operation, along with a tip-over safety shut-off, will bring you peace of mind, whether at the job site, campsite, or tailgating for your favorite team. Features a soft nose P.O.L., push button thermo-electric valve, and adjustable regulator with high, medium, and low settings. Mounts directly to a 20 lb propane tank with up to a 9.5 hour run time on high.