ExcellMaterial: Made of high quality stainless steel, eco-friendly, safe, sturdy, durable and rust resistant. fine workmanship, exquisite decoration, new modern home is essential./li> Modern design: round flat cover with 45° blinds, built-in fly net, has louver in rain and rain function, rain cutter Wind net prevents small animals from entering the house./li> Easy installation: By adjusting the exhaust valve regulating valve, the exhaust valve can be easily controlled to meet your needs. It can be perfectly attached to the ceiling or wall and is easy to disassemble for easy cleaning./li> Widely used: the ventilation duct cover is perfect for indoor exhaust, reducing noise , ideal for bath vents and air extractors, air conditioning units, kitchen fans and vents/li> Ventilation and ventilation: The circular mesh structure allows the wind to flow easily through the space you live , thus providing you with a new and tasteless living and working environment. Product Description Size:200mm