JSSEVN - 100 mm stainless steel weatherproof grille

Weatherproof ventilation grille made of durable, rustproof, and corrosion-resistant brushed 304 stainless steel. Weatherproof grille for indoor and outdoor use. Perfect for use with stainless steel ducts, ventilation ducts, circular duct fans, and in rooms with dryers, bathrooms, kitchens, offices, and garages. The flap is sealed on one side to prevent air and animals from entering. Inside the ventilation grille is a foam pad that keeps the vent open and allows it to close quietly. Easy installation. Available for wall or ceiling mounting. The ventilation grille is fixed in place with four screws. The included rubber gasket minimizes noise. For installation in an air duct, nominal width diameter 100 mm.