ThermoFlo™ 3000C Canvas Ducting is designed for use in all pressure cooling and heating systems. It's intended for either supply or return sections, branch ducts and duct connections to or between mixing units, induction units, control or terminal units, and diffusion devices including light troffers. The 3000C series provides economical means for handling misalignment between system components and ducts around obstacles where fabricated and fitted ducts are difficult and costly to install.