Pella Casement window rain weatherstrip

A quick learner from NJ says:
Hello , I am looking for this weatherstrip for a older Pella Casement window it appears the strip is held into a channel on the side of the window. I ordered the 58-178 hoping it would work but did not know they are sold in 38inch length my window is almost 60 inches can you advise please? PS I have not recieved the item i ordered to see if it will fit or replace what I have . Thank you
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Bob from SWISCO responded:

The 58-178 is likely the closest match we have to this weatherstripping; if the end profile dimensions match up, I think it could work for you. You can buy multiple pieces of the 58-178 , then cut off any excess length with shears or heavy duty scissors. Let me know if you have further questions. 

Identifying Replacement Weatherstripping
Identifying Replacement Weatherstripping
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