🔥 Stay Warm, Stay Stylish! 🔥 Equipped with an automatic low oxygen shut-off system for peace of mind. Designed to function effectively at various altitudes, ensuring warmth wherever you are. Comfortably heats areas up to 300 square feet, making it perfect for living rooms or workshops. Easily mount on walls or use with included legs for flexible placement. Experience the warmth of 10,000 BTUs, perfect for cozying up any space. 300 sq ft coverage 10,000 BTU ODS safety feature The Mr. Heater F299711 is a powerful 10,000 BTU natural gas heater designed to efficiently warm spaces up to 300 square feet. Featuring a blue flame burner for even heat distribution and an automatic low oxygen shut-off system for safety, this versatile heater can be easily mounted on walls or used with included legs, making it a perfect addition to any home or workspace.