Disc Valve with Aerodynamically Shaped Cone is ideal for handling exhaust of greasy and damp areas like kitchen, restroom etc. The Disc Valve is used for ventilation as well as supply applications. The Disc Valve has an aerodynamically shaped valve cone, which can be rotated to adjust the pressure and consequently the air volume. Disc Valve with Aerodynamically Shaped Cone can be used on ceiling as well as wall applications.