Glas Col LLC Heating Mantle
Aluminum housed heating mantle for 500ml spherical flask to 600 degrees C maximum internal operating temperature, 470W, 115V, CSAThe Series TM mantle covers only the flask's bottom half, letting you see its full contents. Larger sizes have multiple circuits for ease of temperature control when a flask is less than half full. mantles are available with a bottom hole for flask drains.