Mr. Heater Big Buddy 18000 Btu/h 450 sq ft Radiant Propane Heater

The Most Popular Portable Propane Heater in North America. This patented radiant 4,000-18,000 BTU Liquid Propane heater connects directly to two 1 lb. cylinders and is the perfect solution for heating enclosed spaces like cabins up to 450 sq. ft. 4,000, 9,000, or 18,000 BTU per hour For use in Massachusetts or Canada Only. Not for sale in California. Outdoor use only. Connects to two 1 lb. cylinders or to a 20 lb. tank with optional hose Runs approximately 11 hrs. on low, 4.8 hrs. on medium and 2.8 hrs. on high with two 1 lb. propane cylinders