Automated cover flap for wall or window mounted fan NOVUS - CATA LHV sizes 160, 190, 225, 300, 350, 400. Automated cover flap VKS-Novus sizes 160 to 400. Size: selectable (VKS-Novus 160, VKS-Novus 190, VKS-Novus 225, VKS-Novus 300, VKS-Novus 350, VKS-Novus 400).
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