these are for windows that are circa 1986 aluminum windows. they appear to be old double pane slider units. i don't see anything that matches these on your site but maybe there is something that would work as a replacement.
coale
Bob from SWISCO responded:
May 20, 2021
See our 55-120, 55-180, or 55-203. Go over the dimensions. See if one of these is what you need.