Most commonly used lab Bunsen burner. With gas regulator, air intake regulator, and flame stabilizer. Can be used with natural gas and liquid propane. Flame temperature may reach as high as 1500 C (2700 F). Height: 6 1/4" (16 cm). Base diameter: 3" (7.8 cm). Weight: 6 oz. To connect to the burner, please use a gas hose with inner diameter of 8-9 mm (5/16" or 3/8"). Always turn off main switch on the fuel source when not in use. Gas regulator on the Bunsen burner is not designed as an off switch.