Product#: TG-6025 Availability: This item normally ships within 1 - 2 business days. Description: The Glas-ColŪ micro mantle provides precise heat control for small spherical flasks. The mantle is used extensively in analytical work and in purification of research products when only small samples are available. Supplied complete with a 3 foot, 2-wire cord and locking connector. Due to the voltage of the micro mantle, a variable voltage transformer is required.