Description This vent is best suited for small projects and local ventilation. Such as ceilings, cabinets, wardrobes, shoe cabinets and power distribution cabinets, etc. Back-embedded mounting and face drilling installation. Free ventilation and exhaust throughout the day. Features - Color: Black. - Material: Aluminum alloy. - Keep the air in the closet, cabinet, and shoe cabinet from moisture, stink, and heat. - Applicable to shoe cabinets, wardrobes, cabinets, drawers and other furniture. - The grid is evenly distributed and is not easily deformed. - Ventilation grille is for ventilation of closed spaces, such as cabinet, shoe rack. - Insect-proof, anti-rain, anti-wind irrigation, indoor pressure relief. Package list: 4 x air vents