500mL Glas-Col Heating Mantle, Series O, Hemispherical, 270 Watts, Each

Details:

Heating Mantle, Hemispherical, 500mL, 270w, 115V, Covers only the bottom half of the flask to allow full view of the contents, Accommodates single and multi-flasks, Should be used with Series O supports, supplied with a separable 4 foot, 2 wire cord and locking connector.