Material: This round air grille vent cover is made of 304 stainless steel. Diameter: ø100mm / 4", for all types of domestic and industrial ventilation. Insect-proof: The upgraded version, thickened, with insect-proof mesh effectively prevents insects and mouse birds from entering. Weather-proof: Our ventilation cover is designed with a hood hemispherical.Windproof and rainproof.Easy to install and durable. Application: Ideal for all dryer vent pipes/pipes, bathroom air vents and extractors, as well as for a wide variety of industrial uses
