Quick Notes: - Powerful and versatile portable propane heater - Patented radiant heating technology with 4,000 to 18,000 BTU - Suitable for spaces up to 450 sq. ft., making it perfect for cabins, tents, workshops, and more - Swivel regulators for adaptability to disposable cylinders or remote gas supply - Easy ignition with a single control start knob and built-in Piezo sparking mechanism - Safety features include Oxygen Depletion Sensor (ODS) and accidental tip-over safety shut-off - Connects directly to two 1 lb. cylinders or a 20 lb. cylinder with an optional hose **propane not included - Distinctive red design – the trusted Mr. Heater Buddy® for decades - Ideal for emergency heat, job sites, picnics, tailgate parties, and various outdoor activities Full Description: Experience warmth wherever you go with the Mr. Heater Big Buddy Heater, a renowned and versatile portable propane heater. This patented radiant heater delivers between 4,000 to 18,000 BTU, making it ideal for heating enclosed spaces like cabins, tents, workshops, and more, covering up to 450 sq. ft. Its swivel regulators offer flexibility, allowing you to adapt usage from disposable cylinders to a remote gas supply. Lighting this heater is a breeze – simply push and rotate the knob, and the built-in Piezo sparking mechanism takes care of the rest. Safety is paramount with features like the Oxygen Depletion Sensor (ODS) and accidental tip-over safety shut-off, ensuring years of comfortable indoor safe heat. Whether you're gearing up for a camping adventure, working in your workshop, or planning an outdoor event, the Mr. Heater Big Buddy Heater is your reliable companion. Connect it to two 1 lb. cylinders or a 20 lb. cylinder with an optional hose, and enjoy warmth on demand. Perfect for emergency heat, job sites, picnics, a tailgate party, and more, this distinctive red heater is a trusted choice for comfort and safety.