Space Heater; Little Buddy® MH4B; Used At Construction Sites And Outdoors; Propane Fuel Type; Piezo Ignition; Portable; 3800 BTU Per Hour; 100 Square Foot Heating Area; 5.6 Hours Run Time; With Automatic Low Oxygen Shut-Off System (ODS)/ Accidental Tip-Over Safety Shut-Off; For Use In Massachusetts Or Canada Only