World Marketing 45,000 BTU Kerosene Force Air Heater, DFA-45/50: * Forced air heater * Advanced electronic technology and quality construction * Heavy-duty for big job heating needs * Modern design and superior dependability * Heavy duty UL listed motor * Fuse-protected electrical system reduces premature parts burn-out * 1,000 sq ft heating area * 45,000 BTU * Model Number: DFA-45/50