• Available as glazed in thickness from 20mm to 32mm
• Small chevron blades
• 20mm Blade Pitch
• 30% physical free area
• Glazed in acoustic ventilator
• Can accommodate glass thickness between 24-28mm
• Equivalent area 10307 mm2/m
• 27 Dnew Acoustic performance in the open position
• Available as face fixed or adapted glazed in
• Larger Chevron blades
• 34mm Blade Pitch
• 50% physical free area
• Available as face fixed or adapted glazed in blades
• Z type Blade
• 34mm Blade Pitch
• 35% physical free area