What Size Snap Ins

Unfortunately, most types of snap-in look the same in the installed position. You can only see a flat strip. We need you to remove a piece of glazing and show us the "butt end" like in the drawings below:

Example illustration of a cross section.

Thank you! For GA aluminum windows, many people have used our 55-204 white snap-in glazing. This seems to match your style pretty closely. I would just recommend comparing our measurements to yours to be sure.