500x350mm RV Rounded Vertical Sliding Windows Tempered Glass Horizontal Sliding Glass Replacement with Trim Insect Screen for 43‑48mm Wall Thickness Item Type: Vertical Sliding WindowsMaterial: Aluminum alloy + rubber + tempered glass Window Size: Approx. 530x380mm/20.9x15inMounting Cut Out Size: Approx. 500x350mm/19.7x13.8in (Please allow 1‑3cm measuring deviation due to manual measurement)Application: Tinted windows with insect screens can protect your privacy and ensure that the sun will not heat up the interior of your RV, fully sealed windows can keep your camper cold in summer and warm in winter, applied to the storage compartment , living room, lounge or any location that needs windows, it can be used for your camper trailer modification and other projects Applicable Model: Suitable for camper trailers, RVs, mobile homes, engineering vehicles, etc.