Heating Mantles (1420) Body is made one-piece aluminium and is logged with special mineral wool. The panel is provided with on-off switch, energy control knob, pilot lamp etc.Provided with joint less hand knitted heating nets of glass yarn capable of withstanding high temperature up to 400° C . Supplied complete with cord & plug, to work on 220 V AC 50 Hz single phase.Single Size WattageA) 50 ml . 60B) 100 ml. 60C) 250 ml. 150 D) 500ml. 200E. 1000ml. 300F) 2000ml. 450G)3000ml. 450H) 5000ml. 600I)10000ml. 2x500