Mr Heater F272425 250000-400000 BTU Forcded Air Propane Heater w/ Thermostat New
Model F272425. 250000 - 400,000 BTU Forced Air Propane Heater - F272425. BTU Per Hour 400000. Mr. Heater 250,000 - 400,000 BTU Forced Air Propane Heater. Can warm up to 9,000 sq-ft. of space at a variable rate of 250,000 - 400,000 BTU per hour.