Crack Resistant Roof Exhaust Blowers are made from galvanized material, which provide protection from rust and corrosion. These Blowers are mainly used on roofs to exhaust smoke and inert gases etc. From the plants. These Roof Exhaust Blowers are available in a rugged construction in crack resistant finish with high temperature properties. Crack Resistant Roof Exhaust Blowers are easy to handle and ensure optimum performance for longer period of time.