Flexwatt blankets are designed to maintain temperature of the contents of Intermediate Bulk Containers (IBC's). Up to 80 degree F delta T can be maintained in an IBC as large as 550 gallons. Blankets are constructed of UV protected vinyl and astrofoil (R-12) insulation. Up to 4 heating elements and two thermoswitches can be incorporated into the system. 110 VAC is standard. Optional tailoring can accomodate mixers, fill tubes, discharge valve ports, placards, etc. Shippable via UPS. Availability 2 - 4 weeks following receipt of order.