CR Laurence, but again, no dual glaze. Sticks and staples grade, but they do make them. Maybe just for the drivers window?
I'll have to call CRL again. I'm pretty sure the driver's window is single pane. The problem with the driver's window is the large slider does not close all the way along the front edge so there is a ton of road noise. I and several other people have looked at the problem and can't figure out why it is not closing all the way. I'll probably take it to a glass shop before I spend money on a new one.