Prevents contents from freezing and controls viscosity inside tough-to-heat caged, metal, and IBC tanks. Unlike immersion heaters, wrap-around blanket will not contaminate or scorch stored product. Dual thermostat control adjusts each heat zone from 50–160°. Other features include: silicone-coated outer surface, 1/4" thick insulation, adjustable nylon straps, and 6' cord with standard plug. Fits 40x40" – 48x48" tanks. FOB OH. Made in USA.