1. Insulated cap holds cell upright in spider bracket and reduces heat transfer into system. 2. Flexible plastic web encloses glass dewar for safety and protection. 3. Durable PVC spider bracket holds cell centered in the system. 4. Support rod holds cell safely above the bottom of the ice bath. 5. Siphon system integrated into the spider bracket allows user to remove excess water and add ice without disturbing the system. 6. Unit mounted in a sturdy aluminum safety base.