18,000 BTU Collapsible Propane Radiant HeaterExperience powerful, portable warmth with our 18,000 BTU propane space heater. Featuring 3 adjustable heat settings (6,000, 12,000, and 18,000 BTU), it delivers efficient infrared radiant heat to quickly warm people and objects in garages, patios, workshops, and campsites. Operating solely on a standard 20lb propane tank (sold separately), it provides up to 72 hours of continuous, electricity-free runtime, making it ideal for power outages and off-grid use.Advanced Safety & Easy MobilityEngineered for reliable performance, this heater features a certified Oxygen Depletion Detector (ODS) and automatic tip-over shutoff. The innovative collapsible cabinet design and 4 locking caster wheels ensure effortless mobility and space-saving storage, measuring just 23.0 x 15.6 x 6.7 inches when folded. Perfect for well-ventilated indoor areas, RVs, barns, and outdoor adventures.