Performance tested to AS/NZS 4740:2000, Altura Series® 300 is an extruded aluminium 100mm pitch by 300mm deep vertical chevron louvre that provides Class B 98% effective rain defence, Class 1 aerodynamics and 60% Free Open Area. With a coefficient of discharge of 0.725 this louvre is typically specified for enclosed commercial plant rooms where there is a requirement for a low pressure drop, good rain defence and zero vision screening. . Alongside this, the Altura Series®
is one of the only louvres which provides 80% free open area.