4'' Stainless Steel Air Vents, Round Louver Grille Vent Cover Wall Ventilation Outlet Soffit Vents with Built-in Screen Mesh for House (4 Inch)

VENT COVER: Panel diameter 5.7 inch, bottom diameter 3.9 inch, height 1.8 inch, applied to 4 inch circular pipe, ducting hose, wall air outlet etc. STAINLESS STEEL: This soffit air vent is made of stainless steel, sturdy for ventilation usage. EASY INSTALLATION: Air vent is easy to install for wall, adjusting the regulating valve of soffit buckle on the vent cover side to prevent drop. BUILD IN SCREEN MESH: Louver grille cover adopts build in screen mesh, it help isolate things to into your house. WIDELY USE: The vent is suitable for indoor or outdoor using of house, such as kitchen, bedroom exhaust, office, attic, warehouse, school and so on. Please pick the air vent up carefully and wear gloves or use tools to protect your hands when install this product.