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• Available as glazed in thickness from 24mm to 36mm
• Larger Chevron blades
• 34mm Blade Pitch
• 50% physical free area
• Over frame acoustic ventilator
• Can fit onto windows or doors with a depth between 50-194mm
• Self Regulating
• Equivalent area 14125 mm2/m
Information available on request
• Available as glazed in thickness from 24mm to 36mm
• Small chevron blades
• 50mm Blade Pitch
• 48% physical free area
• Available as face fixed or adapted glazed in blades
• Z type Blade
• 34mm Blade Pitch
• 35% physical free area