Hand woven mineral wool with flexible braiding, which adapts snugly around the flask, with drain hole, replaceable.
The heating element is distributed homogeneously throughout the mantle. Connectors and cables are protected by mineral fibre tubes. Efficient low power consumption of 1 w/cm2. Maximum mantle temperature of 450 °C.
Double walled fibre wool thermally insulated casing.
Pure Nickel connection terminals protected by mineral fibre tubing that prevent the deterioration of the contact due to high temperature. Support for retort bar.