HighlightsEfficient Heating Performance - Providing a spacious warm area with a diameter of 13', the metal heating element of the outdoor heater has a high power output of 48,000 BTU for faster heating speed. The reflector plate at the top can preferably keep heat in one area. Unlike a charcoal brazier, this gas heater can provide a fire-free and smoke-free environment.Sturdy Base for Safety - This patio heater has a useful reservoir system which can be filled with water or sand to provide a sta