Feature: 1. Flexible Opening And Closing: With handle switch design, the adjustable louvers provide flexibility in directing airflows to meet your specific ventilation needs. 2. Safe and Reliable: With a reliable locking mechanism and protective design, it ensures that the window is tightly sealed in the closed state to avoid air leakage or water ingress. 3. Efficient Ventilation: The 3 slot design ensures effective airflow distribution, preventing stuffy or stagnant air inside your watercraft or recreational vehicle. 4. Sleek Appearance: Featuring a stylish trim bezel, could enhances the overall aesthetics, its clean and modern design adds a touch of sophistication to any interior or exterior space. 5. Multi Scenario Applications: Suitable for boats and motorhomes, whether in the cabin, inside the RV or on deck, this window provides users with the ideal comfort and reliable use. Specification: Item Type: Adjustable Louver Vent GrillMaterial: 316 stainless steel .Bezel Size: Approx. 300x150mm/11.81x5.91inVentilation Part Size: Approx. 210x80mm/8.27x3.15in Mounting Hole: Approx. 4x5mm/0.16x0.20in Application:Suitable for boats, yachts and RV trailers Package List: 1 x Adjustable Louver Vent Grill