The assembly consists of a Borosilicate glass flasks with embedded heating elements  in spiral type glass coil internally fused at bottom. A double wall condenser has standard ground glass joints. Complete with glass fitting, metallic stand, clamps and electrical fittings. The unit supplied is as per NPL design. To work on 220/230 volts AC supply.

Optional Accessories : 

Heater Cutoff Device

Spare Boiling Flask