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• Glazed in acoustic ventilator suitable for high level Elevations
• Can accommodate glass thickness between 24-48mm
• Self Regulating
• Equivalent area 15270 mm2/m
• 26 Dnew Acoustic performance in the open position
• Available as glazed in thickness from 24mm to 36mm
• Small chevron blades
• 50mm Blade Pitch
• 48% physical free area
• Available as glazed in thickness from 24mm to 36mm
• Z type Blade
• 34mm Blade Pitch
• 35% physical free area
• Available as face fixed only
• Small chevron blades
• 20mm Blade Pitch
• 30% physical free area