Searching for A part with the patten number 3444648

A quick learner says:
March 2, 2022
We are trying to find a part for this a 3 tier and each tier is 4 ft wide and fiftteen inches tall. One of these pieces broke and trying to find a replacement piece to fix it. I sure hope you can help. The patten number is 3444648.
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Bob from SWISCO responded:
March 3, 2022

This reminds me of the 39-539 Andersen Hinge Vent Pair. Take a look and see if this matches what you need. 
Anderson Vent Hinge Pair
Anderson Vent Hinge Pair
39-539
$15.97
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