• Over frame acoustic ventilator
• 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 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
• Larger Chevron blades
• 34mm Blade Pitch
• 50% physical free area