100 mm round ventilation grille, air vents 14.5 x 10 x 4.5 cm

FITS 100MM DUCTS: This round vent cover is specially designed for 100mm (3.9 inch) ducts. It is compatible with the majority of extractor hoods, flexible ducts and ventilation devices. It is ideal for tumble dryer vents, air vents and 100mm attic air inlets. LIGHTWEIGHT AND HIGH STRENGTH: The ceiling ventilation grilles are made of lightweight and solid stainless steel. They are shockproof, moisture and UV resistant. Its sturdy structure ensures excellent corrosion resistance, suitable for all indoor and outdoor environments. FIXED SHUTTERS AND WEATHER RESISTANT MOSQUITE: This louver grille has a 45° tilt, which effectively blocks the ingress of rain while ensuring good air circulation. Ideal for attics, bathrooms and tumble dryer drains. The integrated insect net prevents cockroaches and rodents from entering, preventing moisture build-up and pest invasion. SIMPLIFIED INSTALLATION: Before installation, fold the side legs of the grill outwards to prevent it from slipping out of the duct. You can then attach it perfectly to a wall or ceiling. It is easy to disassemble for cleaning. Consider wearing gloves to protect your hands during installation. VERSATILE INDOOR AND OUTDOOR VENTILATION GRILLE: Whether it's for exterior cornice ventilation, basement air inlet or concealed circular duct inside, this versatile 100mm grille provides stable performance. It is an essential replacement for tumble dryer vents, extractor hoods and household ventilation systems, which improves air quality and indoor comfort all year round.