Backdraught protection D98
669801
Backdraught protection/backdraught shutter that prevents air from entering when the fan is not running. 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 Ø98 mm and length 74 mm. Installed in Ø98 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.
expand_more
Manual Bathroom fan accessories