Closing flaps for ventilation. With galvanised protective grille. From nominal size 35 with central web to increase damper stability. Recommended accessories: Connecting frame ZVR for mounting the AS and RS shut-off dampers on the fan instead of on the wall.Article: AS 40, air direction: venting, installation: outside, installation location: wall, installation position: vertical / horizontal, material: plastic, weather-resistant, UV-resistant, colour: traffic white, similar to RAL 9016, blade colour: silver grey, weight: 1.3 kg, weight with packaging: 1.575 kg, damper type: self. opening/closing, Nominal width: 400 mm, Width: 472 mm, Height: 472 mm, Depth: 40 mm, Width with packaging: 535 mm, Height with packaging: 485 mm, Depth with packaging: 50 mm, Ambient temperature: 60 °C, Suitable for box fans: no, Suitable for roof fans: no, Suitable for ducted fans: no, Suitable for heat recovery systems: no, Suitable for wall-mounted fans: no, Suitable for wall-mounted fans: yes, Suitable for residential fans: no, Suitable for centrifugal fans: no, Suitable for circulation fans: no
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