The Dyna-Glo TT30CDGP30,000 BTU Portable Radiant Propane Tank Top Heater is the perfect portable solution for properly ventilated outdoor and indoor construction use. The swiveling burner heads and adjustable heat angle provide multiple heat direction options while covering up to a 25 ft. radius. The equipped safety shutoff valve, tip-over safety switch, and nonslip base help to ensures safe use. The heater has a compact design and can be easily assembled for your convenience.(Propane Not Included) Variable BTUs Hi-efficiency Steel Heat Reflector Rust Proof Chrome Emitter Guard Porcelain Coated Back with Rear Safety Grill Tip Over Safety Switch Match Light Ignition Safety Shut-off Valve Quick Connect P.O.L Tank Connection