Keller Window snap-in glazing bead?

A home owner from Palm Harbor, Florida says:
June 12, 2019

Good morning. I'm replacing the window glass in an old (1970's) aluminum garage window because both glass panes were cracked. I discovered that the panes appeared to be partially secured by a plastic molding. I also discovered evidence of some kind of sealer or caulk. Most of the plastic molding was brittle and broke while being removed, but one section (apparently out of the sun, I live in Florida) survived for identification. 

I THINK I have a "Keller snap-in window glazing bead". The product is not available at Lowe's, Home Depot or even the local glass company. I have TWO (2) individual windows that will require these moldings, and each one is 52 inches wide and 37 inches tall. 

Thanks for the assistance! 

Gary in Palm Harbor

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Tom from SWISCO responded:
June 14, 2019

Hey, Gary! Take a look at our 55-007 Keller brand snap-in glazing. I think this might be just what you're looking for. This comes in 3' lengths, but we also have it in 6' under the 55-007-6 product code. Let me know what you think!
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