Anti-rust and corrosion-resistant stainless steel air outlet grille for VMC and hood Perfect integration to exterior facades that can be used with dryer ducts or drain hoses Air conditioning appliances, bathroom fans and extractors This ventilation grille is ideal for air outlets from dryers, bathrooms, kitchens, extractors etc. Compatible with ducts and ventilation ducts from a Nominal width DN10 0 100mm Package includes: Stainless steel ventilation grille with integrated check valve + rubber seal + fixing screws