I have brand new Andersen 400 series window in original box. Its heavy item and didn't want to open the box just to take pictures. Thus scanned the measurements from Andersen catalogue.

Andersen 400 series Arch window

item # AFCP306

Dimension:  Width:  3ft   (refer to the attached specs for rough opening and glass size)
                     Height:  6ft  4 11/16 inch   (refer to detailed specs)


I got 4 of these delivered in the middle of pandemic but only used 3. I paid $1800 each from Home Depot. Here being offered at fraction of what i paid.
For local pickup only. 
window located in Potomac, MD 20854