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This window is generally a flushmount and is custom built to the customer’s dimensions.
However, we attempt to keep the moving portion of the drive thru window as standard as possible*

We have found that a 30” height and an approximate 20” width is:
the most convenient for both cars and trucks
the most ergonomically correct for the server
the most economical size when considering internal heat and energy savings.

We then provide for the remaining dimensions after the drive thru window portion and provide a transom above.

This model has Ultimate’s standard features:
Top Hung linear bearing  
Clear anodized thermally broken frames
Thermally sealed double tempered glazing
Stainless steel Autolock
Dropdown overnight lockbar
Slide to left or right (as viewed from the inside) to be determined on order

Opening can be to the left or right or centered.

* Customer can specify width and height if they so choose.