guillotines windows

A handy person from Puerto Rico says:
I look for on your site but there`s not the same measures. Some pretty match but It won't fit. It`s a very old aluminum window.
Thank you .
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Tom from SWISCO responded:

I wasn't able to find an exact match for this part, either. Please give us a little more time to look into this and I'll get back to you ASAP.

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Paul from SWISCO responded:

Thanks again for your patience. Unfortunately, we weren't able to find an exact match. The closest to your top sash guide is our 18-115. Please compare it to your original and see what you think.

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