SECONDARY COMBUSTION Our smokeless fire pit features a double-walled construction which maximizes airflow and burning process. Bottom vent holes allow oxygen to feed the fire, while simultaneously channeling warm oxygen up between the walls of the stove and back into the fire. HIGH QUALITY MATERIAL The size of fire pit is: 13.5" (Diameter)x 12.2" (Height), Internal diameter is: 12.5", Gross Weight: 16.8 lbs. Our portable wood-burning fire pit is made of carbon steel material, providing…