1.Compared to conventional LPG, the Bunsen burner does not need to be connected to the gas hose and the LPG cylinder and can be used anytime and anywhere and is very portable. 2.【ADJUSTABLE】 The Bunsen burner is equipped with a sealing door ring for air inlet adjustment, which can change the flame hardness and temperature by adjusting the sealing door ring. 3.【MESSING MATERIAL The Bunsen burner is made of brass and is durable and does not discolour. 4.Suitable for connection to a threaded flat tank. Can also be used with standard long tanks with triangular adapter. (Tank and adapter not included) 5.【PRODUCT APPLICATION: Laboratory, medicine, dentistry, crafts, hardware and other heating and disinfection operations., Manufacturer: Fransande