22000mL Glas-Col Heating Mantle, Series TM, Spherical, 2 @ 770 Watts. The Glas-Col Series TM spherical flask mantle covers only the flasks 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. The Series TM mantle is available with a bottom hole for flask drain on a special order basis. Terminal box models are available with switches and pilot lights. All mantles are 115 Volt with the exception of the 72 liter which is 230 Volt and are supplied complete with a 4 foot, 3 wire cord and locking connector. The 50 and 72 Liter sizes are furnished with a terminal box instead of a cord.
