Feature:1. Durable Construction: Heavy duty aluminum alloy frame with black paint spray and polished smooth, providing a good touch, rustproof and durable.2. Protect Privacy: RV windows adopts tinted tempered glass for protecting your privacy and make sure the sun doesn't heat up your RV interior.3. Prevent Rain Entering: Designed one way outlet on the window, ensure the rain flows out instead of leaking in. A solution for your leaking, broken and unsatisfactory Windows.4. Perfect Sealing: Fully sealed windows can keep your camper cold in summer and warm in winter, built in seals provides a barrier to insects and mold.5. Wide Application: Rounded edge design, suitable for 440x390mm window size, can be used for vertical installation, suitable for RV, camper, trailer, etc.Specification:Item Type: RV WindowsMaterial: Aluminum Alloy + Tempered Glass + RubberWindow Size: Approx. 440x390mm / 17.32x15.35inInstallation Thickness: 55mm-60mm/2.17-2.36inInstallation Hole Size: Approx. 410x360mm/16.14x14.17in, can be used for vertical installation, with fixed frameApplications: Tinted windows protect your privacy and ensure that full sunlight does not heat the interior of your RV. Fully sealed windows will keep your camper cold in the summer and warm in the winterApplication: Suitable for campers, RVs, construction vehicles and any other location where windows are needed.Package List:1 x RV Window1 x Fixed Frame8 x ScrewNote:Installation is slightly more difficult, it is recommended to find a professional engineer to assist in the installation also get a perfect shopping experience