Basement vinyl window, this is a replacement not new construction. It is meant for an existing jam and does not come with nail fins. Nail fins could be put on it and used as a new construction window. It is meant for horizontal use where as the weep holes are at the bottom, as seen in pictures. I suppose it could be used as a vertical window but the bottom of the window would fill up with water and no way to drain it. Bought new and never used it, been sitting in storage. Screen has a few small nicks and tears as seen in pictures. Never been installed. Brand is a Traco.
Actual Dimensions are: 31 13/16 x 21 5/8.