Heating Mantle for use with pear-shaped flasks. Mantle withstands 400 Degrees Celsius internal operating temperatures. Supplied with 4 foot 2 wire cord with locking connector. These mantles MUST be operated through a voltage control. Use with either a voltage control (12080,12083,12084,12087,12089) or with a voltage limiting temperature control (12324,12335). For pear-shaped flasks, see 9477,9478,9479 & 9481 product families.