The multi position (extraction) mantles have a built-in electronic controller. The vented case's unique air flow ensures that the outer case does not heat up, preventing burns when touching it.

• Individual built-in solid state electronic controls enable easy regulation of heater, while removing sparking associated with mechanical switching
• 3 support rods with 12.7 mm diameter are included
• Top cover is made of polypropylene and external surfaces are powder coated, for good general chemical resistance
• Coiled heating element is suspended within a thermal insulating cartridge to provide maximum heat transfer
• Earth (ground) screen encloses the heater for added safety
• Individual heater cartridges are replaceable
• Neon lights indicate when power is on