Labotronics Bunsen Burner LB-12BN is designed for laboratory heating, sterilization, and combustion experiments. It combines flammable gas with a controlled air supply to produce an adjustable flame. The nickel-plated brass burner tube supports regular laboratory heating applications. Featuring a 145 mm height, 70 mm base diameter, and 12 mm tube diameter, it includes a gas control stopcock and cylindrical riffled connector. Suitable for chemical, research, and educational laboratories.