Vertical Sliding RV Window for Cargo Trailer,RV Window Replacement with Trim Ring RV vertical camper window details: Vertical slide Corner radius: 3" Overall Width: 13 3/4" Overall Height: 23 3/4" Rough Opening Width: 12" Rough Opening Height: 22" Trim Ring for 1 to 1-1/2” wall thickness Perfect replacement RV window for camper/cargo trailer/cargo van/travel trailer/truck camper/utility trailer/motorhome/SUV.etc. Package Including: RV vertical side window1, trim ring1, removable net screen1, two types of screws and installation drawing. NOT include butyl tape (or other window sealant). Heavy- duty construction rv cargo trailer window: The wide trim ring with ribbed rubber gasket adds to create a tight barrier against moisture,heat and air. Strong 3.2mm thick tinted tempered glass (DOT approved) offers resistance to scratching, chipping and cracking, effectively provides protection of your safe and privacy. Lightweight sturdy weather-resistant anodized aluminum frame stand up to heavy rain and snow,helps to prevent corrosion,keeps the water out to stay dry inside and extend lifespan of RV trailer camper windows. Improve trailer camper ventilation: Durable mesh screen allow airflow to the trailer interior and keeps all the mosquitoes and small animals out. Adding cargo trailer RV van side windows to an enclosed cargo trailer converted to a camper gave more and fresher air flow into the RV(camper door,kitchen or bedroom). Natural light and good air flow allow you to enjoy fresh air, improve your mood, reduce stress, boost immune system, add to the comfort of caravanning and camping and increase family happiness. Warm tips: When installing RV camper window for kitchen bedroom etc, make sure that the drain is facing down. Pls choose the appropriate screws according to the thickness of the mounting holes, longer screws can damage the window frame. Before replacing the RV truck camper vertical windows, pls measure the thickness of your RV's walls, frame corners and make sure the dimensions are correct.