Aluminum ventilation grill DUCOGRILLE CLASSIC F 20Z

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The DucoGrille Classic F 20Z is a glazed-in window louvre manufactured from extruded aluminium profiles. The Turn and Click system ensures quick and easy assembly. An insect screen is fitted as standard. The Z shaped blade ensures a tight design. Technical features Visual free area - 63 % Physical free area - 41 % K factor intake - 22,73 K factor exhaust - 30,52 Ce - 0,21 Cd - 0,18 Frame width - 35 mm Blade pitch - 35 mm Flange width - 24 mm