WDMA 32x54 Window (Rough Opening: 32-in x 54-in; Actual: 31.5-in x 53.5-...

https://www.wdma.com.cn/collections/32x54-window
WDMA 32x54 Window (Rough Opening: 32-in x 54-in; Actual: 31.5-in x 53.5-in) Standard Size Series