WDMA 48x96 Window (Rough Opening: 48-in x 96-in /4ft x 8ft; Actual: 47.5...

https://www.wdma.com.cn/collections/48x96-window
WDMA 48x96 Window (Rough Opening: 48-in x 96-in / 4ft x 8ft; Actual: 47.5-in x 95.5-in) Standard Size Series