Characteristics:Single tube gas lamp is an energy-saving gas lamp with good combustion and strong flame.These high-quality Bunsen burners can be fully controlled through air mixing regulation and gas flow regulation.Flame stabilizers make them safer than standard products.Accept 6mm to 8mm inlet pipe.This type of gas lamp is suitable for bottled or pipeline natural gas and oil gas.standard:Material: MetalHeight: 15cm Color: As shown in the figure The package includes:1x laboratory gas lamp1x Packaging Bag Note: Due to manual measurement, please allow a small error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the display. Please understand. Hello, please pay attention to your shipping address when purchasing products.If your receipt information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly