Replacement window flange, Pella Proline double hung bottom strip

A handy person from West Grove, PA says:
June 7, 2023
I have a house full of Pella Proline double hung windows circa 1997 that need replacement weather stripping/bottom water flanges inset in a groove in the bottom of the bottom window pane. The attached photos show a removed strip that is probably slightly stretched from being pulled out of the groove, but should give a good enough approximation of dimensions. Can you source this? I have about 25 windows of about 36 inches wide (have to do a complete inventory with dimensions, still.)
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Emily from SWISCO responded:
June 9, 2023

Hello there!

Our 58-178 comes to mind. However, this is for a casement window. Take a look at the specifications for this part and see how they compare with yours.
Pella Casement Window Rainstrip
Pella Casement Window Rainstrip
58-178
$6.37
Identifying Replacement Weatherstripping
Identifying Replacement Weatherstripping
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