Performance tested to AS/NZS 4740:2000 Louvreclad Jupiter Series 2 Stage is a 125mm pitch extruded aluminium louvre that achieves Class A 99% effective rain defence, Class 3 aerodynamics, 55% free open area. Also known as a double-bank louvre, the double interlocking blades provide 100% effective rain defence, while also ensuring optimal airflow, even in adverse weather conditions. Designed for zero vision, the Jupiter Series® two-stage louvre is manufactured to withstand all weather conditions.