• Glazed in acoustic ventilator suitable for high level Elevations
• Can accommodate glass thickness between 24-28mm
• Equivalent area 14888 mm2/m
• 27 Dnew Acoustic performance in the open position
• Available as face fixed or adapted glazed in
• Large Z type Blade
• 75mm Blade Pitch
• 56% physical free area
• Available as face fixed or adapted glazed in
• Small chevron blades
• 20mm Blade Pitch
• 30% physical free area