aequitas3
I'm a truck…
According to that website, there should be some type of label or stamp in the window or window frame. I looked several times all over on my 2015 Flippac. I found nothing.I'm assuming FlipPac didn't have a customer window frame made, so I'm hopping that someone will be able to identify a model number or manufacturer.
https://www.custompickup.com/shop/index.php?l=product_list&c=2772
