High Heat Output: This 215000 BTU kerosene forced air heater delivers powerful warmth for areas up to 1300m³ using a high-output fanMulti-Fuel Compatibility: Runs on K-1 kerosene, Diesel #1, Diesel #2, Fuel Oil #1, and Fuel Oil #2. (K-1 kerosene recommended for optimal performance)Extended Runtime: The 13.5 gal (50 L) fuel tank provides up to 8 hours of continuous heating. Ideal for well-ventilated construction sites, barns, warehouses, and workshopsRugged Steel Construction: Built with stainless steel + cold-rolled plate for extreme durability. Operates reliably in winter conditions (-25°C to 65°C / -13°F to 149°F)Safety Systems: The product integrates Overheat auto-shutdown, Flameout protection, Reinforced safety guard, Built-in thermostat & pressure gauge.(Ensures secure operation in demanding environments)