Unidentified weather stripping

A home owner from Snohomish, WA says:
February 27, 2018
This comes from the frame of a casement window made by Milgard in about 1993-4.

The flat outer surface is thin, just over 1/2" wide. It hooks or attaches to a slot in the window frame with the "arrow" shaped piece on the other side.

Would love to buy some more of this stuff.

User submitted photos of weatherstripping.
Profile picture of Paul
Paul from SWISCO responded:
March 1, 2018
Would you be able to use our 58-200 kerf mount sweep in place of your current weatherstrip? Look over the measurements and get back to us with an update.
A home owner from Snohomish, WA says:
March 1, 2018
I'll check it out!

Thanks
Kerf Mount Sweep Seal, 8ft length
Kerf Mount Sweep Seal, 8ft length
58-200
$21.40
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