495mm Boat Portlight Hatch Window Square Push Out Deck Hatch Porthole Skylights Escape Window for Boat Yacht Nautical RV

Feature: 1. Parameter: The window size is 495x495mm, the installation cut out size is 425x435mm, and the installation thickness is 23‑55mm, or any thickness. 2. Stronger: Sturdy ABS molded design and thick tempered glass for maximum durability. With anti aging, impact and corrosion resistant features. 3. Waterproof Sealed: Designed with durable watertight rubber seal, effectively prevent rainwater from entering, no air leakage, good sealing. 4. Opening Angle: Square design, with switch lock handle and support rod, 0‑160 degrees adjusted, convenient to enjoy the scenery along the way. 5. Application: The windows are designed with tinted tempered glass with anti ultraviolet and anti aging effects, suitable for boat, yacht, ship, and RV. Specification: Item Type: Boat Portlight Hatch WindowMaterial: Aluminum alloy + stainless steel + rubber + ABS + tempered glass .Window Dimensions: Approx. 495x495mm 19.49x19.49inInstallation Cut Out Size: Approx. 425x435mm 16.73x17.13in Suitable Thickness: 23 55mm 0.91 2.17in, or any thicknessApplication: Applicable for Boat, Yacht, Nautical, RV Package List: 1 x Boat Portlight Hatch Window1 x Mounting Frame Note: Installation is slightly more difficult, it is recommended to find a professional engineer to assist in installation