Casement windows

A handy person from Chicago says:
July 12, 2019
I need to replace all weatherstripping on 8 old casements windows. I believe they are Marvin. The rigid L shape appears to be your item 55-106. What part number would be the soft bulb shape? It measures 1/2" long, diameter 5/16"
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Bob from SWISCO responded:
July 18, 2019

Thanks for writing in. I agree, the leaf seal looks it might be our 55-106. For the bubble seal, the 58-053 might be what you're looking for. Take a look and let us know what you find.
Weather-stripping, 3' length
Weather-stripping, 3' length
55-106
$5.88
25ft Kerf Mount Bubble Seal, 5/16"
25ft Kerf Mount Bubble Seal, 5/16"
58-053
$15.57
Identifying Replacement Weatherstripping
Identifying Replacement Weatherstripping
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