Feature: 1. Wide Application: Yacht portlight window is suitable for wall with a thickness of 15mm or any other thickness. It is ideal for boats, yachts, ships, and RVs, providing a solution for leaking, damaged, or unsatisfactory windows. 2. Sturdy and Stable Construction: The window features a 6mm thick acrylic glass with a rotating fixed handle and 316 stainless steel support rods, providing a solid and stable structure. 3. Waterproof and UV Protection: The window frame is equipped with a waterproof seal ring, ensuring complete sealing and waterproof performance. The glass filters out UV rays while allowing sufficient light to enter the cabin, enhancing brightness inside. 4. Adjustable Design: The window can be opened outward and locked at any angle from 0 to 90 degrees with the rotating handle and locking button. It can be used as a roof window, ventilation window, storage compartment window, or installed in any desired location. 5. High Durability: The RV push out window is made of heavy duty aluminum alloy with an anodized surface finish, ensuring long lasting durability even in harsh marine or outdoor environments. Specification: Item Type: Yacht Portlight WindowMaterial: Aluminum alloy+ nylon+ acrylic+ 316 stainless steelExternal Size: Approx. 505x505mm/19.9x19.9in Installation Opening Hole Size: Approx.440x440mm/17.3x17.3in Suitable for Installation Thickness: Approx. 15mm/0.6in, or any thickness Push out Opening Angle: 0 to 90 ?? of any angleFitment:For Boat Yacht Nautical RVSolutions for your leaking, broken and unsatisfactory windows. Package List: 1 x Yacht Portlight Window Note: 1. Installation is slightly difficult, it is recommended to find a professional engineer to assist in the installation to get the best shopping experience. 2. Please pay attention to avoid collision when disassembling and assembling. 3. Please measure the size before purchase to make sure it is what you need.