DESC: Relax on your patio more often with the residential patio heater. The gun metal standard patio heater produces up to 40,000 BTU's of heat and is totally self contained. Uses a portable LP 20Lb tank, same as a barbecue grill which is housed conveniently in the base of the heater. Ideal for patios, or any open-air setting. Adjustable heating allows you to control the heat out put. The radiant heat produced will warm an area up to 18ft Diameter. Incorporated in this patio heater is a Safety Tilt Shut-Off Syste