"Full Description:\nThe Mr. Heater Big Buddy Portable Heater is perfect to keep your ice shelter or other areas toasty warm in the winter. The Big Buddy heater connects to two 1 lb. propane cylinders and will heat up an enclosed space up to 450 sq. ft. With three heat settings, you're able to heat your space to the perfect temperature with the Mr. Heater Big Buddy, while features like the accidental tip-over safety shut off and the Oxygen Depletion Sensor (ODS) make sure you and others stay safe. Whether you're ice fishing or working in the garage, use the Mr. Heater Big Buddy Portable Heater to stay warm. \nLooking for a smaller unit? Check out <a href="https://www.scheels.com/p/mr.-heater-little-buddy-portable-heater/08930115100.html">Mr. Heater Little Buddy Portable Heater.</a> \n*Does not include a fan. \n*Attention CA residents: The use of vented heaters is prohibited indoors. Please abide any local and state restrictions in accordance with proper use.\n\nFeatures:\n\u003cul>\n\u003cli>Accidental tip-over safety shut-off\u003c/li>\n\u003cli>Single control start knob\u003c/li>\n\u003cli>Connects to a 20 lb. cylinder with optional hose (not included)\u003c/li>\n\u003cli>Connects to two 1 lb. cylinders\u003c/li>\n\u003cli>Hi-Med-Low heat settings\u003c/li>\n\u003cli>Swivel regulators\u003c/li>\n\u003cli>Automatic low oxygen shut-off system (ODS)\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Weight: 18 lbs.\u003c/li>\n\u003cli>Heating Area: 450 sq. ft.\u003c/li>\n\u003cli>Dimensions: 19" L x 12" H\u003c/li>\n\u003cli>Style: Mr. Heater Big Buddy\u003c/li>\n\u003cli>BTU Per Hour: 4,000, 9,000, or 18,000\u003c/li>\n\u003cli>Tank Capacity (Min.): 2 x 1 lb. propane cylinder (not included)\u003c/li>\n\u003cli>Ignition: Piezo\u003c/li>\n\u003cli>Fuel Type: Propane\u003c/li>\n\u003cli>Heat Type: Radiant\u003c/li>\n\u003cli>1-year limited manufacturer's warranty\u003c/li>\n\u003c/ul>\n"