Feature: 1. Stainless Steel: Constructed of stainless steel, the boat porthole window is polished for smoother touch, rust resistant and durable, suitable for harsh marine or outdoor environments. 2. Tempered Glass and High Visibility: The porthole window ensures strength and safety, filters out UV rays while allowing light in, enhancing cabin brightness, suitable for ventilation. 3. Oval Design and Adjustable Opening Angle: The porthole features an inward opening design with fixed handle, allowing for 0 to 180 degree opening angle, providing a barrier against harmful debris, suitable for various locations like storage compartments, living spaces, bathrooms, offering adjustable angle opening and stainless steel hinge support for admiring views. 4. Perfect Replacement: Suitable for boat, yacht, ship, and RV, this portlight hatch provides solutions for leaky, damaged, or unsatisfactory windows. 5. Durable and Versatile: Equipped with smoke grey tempered glass, and stainless steel construction, this oval inward opening porthole offers a stylish and functional window solution for marine and recreational vehicles. Specification: Item Type: Boat Porthole Window Opening Method: Open inside with stainless steel retaining clamp ring Outer Size: Approx. 400 x 200mm / 16 x 8in Installation Hole Size: Approx. 350 x 150mm / 14 x 6in (Please allow a 2mm error for manual measurement) Installation Thickness: Approx. 26-36mm / 1.02-1.42in Fitment: Suitable for Boat, Yacht, Nautical, RV, it can be used for your ship, yacht, RV modification and installation projects, providing a solution for your water leakage, damage, and unsatisfactory window. Package List: 1 x Boat Porthole Window1 x Fixing Frame Note: Installation may be a bit difficult, if you are not a professional, we recommend seeking assistance from professional engineers for the best shopping experience.