I used to have the link for them. It is a total replacement of the window are look very nice and professional. There are several outfits that make them. Most seem to be in the Texas area catering to when the snowbirds come down. Do a search you will find many dealers.
here's just but one of them. And he sells the plexi cover which many RV's wanted to protect any little ones or adults from getting injured if it should break. ps It's always good thing to keep your original window so that when you sell it it has the protection glass in it.
http://www.rvstainedglass.com/