Backdraught protection D125
669812
Backdraught shutter that prevents air from entering when the fan is not running. The backdraught protection should only be used for installation through an exterior wall.
Description
Backdraught shutter that prevents air from entering when the fan is not running. External diameter Ø118 mm and length 74 mm. Installed in Ø118 mm duct. With a larger duct, a gasket can be used or the backdraught protection can be taped onto the fan. The backdraught protection should only be used for installation through an exterior wall.
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