Need replacement sash guides

A quick learner from California says:
February 20, 2020
Hello, I need help in determining what replacement sash guides to use for my window. I am attaching some pictures of an existing and working window( sorry about the dust). The windows do not have a maker name on them and one windows sash guides are broken,.
Thank You
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Bob from SWISCO responded:
February 21, 2020

Thanks for posting. I'm not familiar with this kind of Top Sash Guide; it honestly looks like an unusual setup. I'm forwarding this discussion to one of my senior colleagues, and we'll get back to you as soon as we can with more information. Many thanks.
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Paul from SWISCO responded:
February 21, 2020

Have a look at our 87-153 sliding window roller. Carefully look over our measurements and let us know what you think.
Sliding Window Roller
Sliding Window Roller
87-153
$4.49
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