Feature 1Heavy Duty Frame: The frame is made of heavy duty aluminum alloy with anodized surface, which will not rust even in harsh offshore links or outdoor environments. 2Grey Glass: Adopts 6 mm thick smoked grey tempered glass (E009335 certified), could filters out UV rays while ensuring light can enter the compartment and increase the brightness of the cabin. 3Strong Sealed: The framehas a waterproof rubber ring, strong sealing and waterproof performance, the support rod and hinge are made of 316 stainless steel, corrosion resistance and durable. 4Unique Design: With 425x425mm square shape design, can be opened at 090 degrees, the support rod is designed with rotary fixing knob, can be fixed at any angle support. 5Application: Suitable for 323mm thickness installation, suitable for boat, yacht, ship, and RV, can be used for sunroofs, escape windows, storage compartments, rooftops, or any position.Item Type:BoatVentilationHatchWindowMaterial:Aluminum alloy + tempered glass + ABS + rubber .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Opening Method: Push out type, with stainless steel support rod and fixed handleWindow Size: Approx.425x425mm/16.73x16.73inInstallation Opening Size:Approx.360x360mm/14.2x14.2in, R45-4Suitable Installation Thickness:3-23mm/0.12-0.91inApplication: Suitable for Boat, Yacht, Nautical, RV, which can be used for your marine yacht RV retrofitting and more, providing a solution for your leaky, broken and unsatisfactory windowsPackage List1 x BoatVentilationHatchWindowNote1. Slightly difficult to install, it is recommended to find a professional engineer to assist the installation to get the best shopping experience,2. Provide sturdy packaging to ensure that the sunroof remains in new condition and is delivered to your hands, please pay attention to avoid collisions when disassembling and assembling3. Please measure the size before purchasing to make sure it is what you need