Performance tested to AS/NZS 4740:2000, Altura Series® 145 is an extruded aluminium 62.5mm pitch by 145mm deep vertical chevron louvre that provides Class B 98% effective rain defence, Class 1 aerodynamics and 60% Free Open Area. Designed with high performance in mind, the Altura Series has been created for commercial plant room enclosures for maximum airflow, good rain defence and zero vision screening. This high-performance vertical louvre is an excellent lighter-weight alternative to the Altura 300 with similar performance, zero vision screening and a contemporary clean line aesthetic.