top sash guide
A professional from Broken Arrow OK says:
November 10, 2015
I dont see this guide can you identify
Dave from SWISCO responded:
November 11, 2015
The top guide you show looks a lot like the old Gapco window guide. They aren't made anymore, but we actually had a substitute made in aluminum that can be used for either the left or right side of window. Take a look at our 18-097.