Pella door wall with blinds in glass

A home owner from Michigan says:
Need to replace part to open and close blinds inside door wall.
One picture has them the other picture shows missing parts.
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Thumbnail of the uploaded file named 6B97BA2C-E718-42E3-B4B2-E4145E73A981.jpeg
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Bob from SWISCO responded:

See our 70-150S . Look over the specifications and let me know if you think this is what you need. If not, you may need to contact a Pella dealer for assistance. 

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