Ventilation Grille, 304 Stainless Steel Ventilation Grille Outlet Mouth (ø100mm) Material: This round air grille ventilation cover is made of 304 stainless steel. Diameter: ø100mm / 4", suitable for all types of household and industrial ventilation. Insect-proof: The improved version, thickened, with insect-proof mesh effectively prevents insects and mouse birds from penetrate. Weatherproof: Our ventilation cover is designed with a hemispherical hood. Windproof and rainproof. Easy to install and durable. Application: Ideal for all ventilation hoses/pipes for clothes dryers, bathroom air vents and extractors, as well as a wide variety of industrial uses
