Material The Drain Is Made Of High Quality Aluminum Alloy, Which Is Corrosion Resistant, Durable And Not Easy To Deform. The Surface Is Smooth And Polished, The Color Is Bright, And The Classic Black Easily Matches Cabinets Of Different Styles. VentilationThe Door Vent Allows The Wind To Easily Enter The Closed Space , Effectively Promote Air Circulation, Provide You With A Fresh And Odor-Free Living And Working Environment. It Is An Ideal Choice For Home Life. Easy To InstallThe Kit Contains 2 Air Vents (Without Screws). External Dimensions: 250Mm X 50Mm Flush Dimensions: 220Mm X 34Mm Simply Drill The Appropriate Holes In The Cabinet, Install And Secure. ApplicationThe Rectangular Door Vent Is Suitable For Cabinets, Shoe Cabinets, Cabinets, Cupboards, Sinks, Ovens, Showcases, Computer Cabinets, Etc. And Can Be Used In Kitchens, Bathrooms, Bedrooms And Offices. Provide Ventilation And Create A Good Living Environment. Fast DeliveryIf You Have Any Questions, Please Feel Free To Contact Us, We Will Help You Not To Worry.