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LOUVERS & VENTILATION LTD
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• Available as face fixed or adapted glazed in
• Small chevron blades
• 20mm Blade Pitch
• 30% physical free area
• 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
• Available as face fixed or adapted glazed in
• Large Z type Blade
• 75mm Blade Pitch
• 56% physical free area
• Available as face fixed or adapted glazed in
• Large Z type Blade
• Hi Air Flow Blades
• 60mm Blade Pitch
• 75% physical free area