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• Over frame acoustic ventilator suitable for high level Elevations
• Can fit onto windows or doors with a depth between 50-194mm
• Self Regulating
• Equivalent area 12725 mm2/m
• 43 Dnew Acoustic performance in the open position
• Glazed in acoustic ventilator
• Can accommodate glass thickness between 24-48mm
• Self Regulating
• Equivalent area 15016 mm2/m
• 27 Dnew Acoustic performance in the open position
• Available as face fixed or adapted glazed in
• Large Z type Blade
• 50mm Blade Pitch
• 48% physical free area