Ventana USA's bay and bow windows provide the perfect way to add a dramatic focal point to any room in the home! The Series 2500 90-degree Bay Window (also known as a "box bay") has the same outstanding quality, function and reliability as our garden windows, in a classic architectural form. For our Series 2600 Bay and Bow product line, we offer two build options: 1. Assembled wood buck only. 2. Completed bay or bow unit with your windows installed.