We are offering high grade Return Air Risers. This is used by code for exhausting smoke in a high rise building. The unit is known for its features such as light weight, accuracy in dimensions, easy usage, and excellent performance and so on. The quality assurance team assures that the device is powerful in construction to withstand every odd condition. To make our product compliant with industrial standards we procure the raw materials from reliable vendors who supply premium quality components. Our Return Air Risers is durable and is used in conditioned spaces for increasing heating or cooling by recirculation of air.