The Alpha Relief Air Vents have been designed for air intake and exhaust applications or control of pressure within buildings. They may be used in a ducted system where the fan is mounted remotely to the cowl. Units are fitted with bird mesh as standard to eliminate the risk of debris and birds entering the building. O Lightweight, corrosion-proof construction. O The pressure losses are approximately the same for exhaust and air intake. O Protective bird-mesh guards are fitted as standard. O 'MRV' and 'RV' units are designed for curb mounting. O The 'PFR' units are designed to suit a range of metal deck roofs. O Can be mounted at angles up to 30°.
