Single bank extruded aluminium flat blade louvre pitched at 100mm, designed specifically for where a high open area is required and weatherability is not an issue. Typical applications include basement car parks with limited wall space for louvre openings and a need to achieve specific free areas to meet the fire regulations

Brochure for QEF 78& Open Blade Louvre QEF 78% Open Blade Louvre

Data Sheet for QEF 78% Open Blade Louvre QEF-78% Free Area Blade Data Sheet Rev B