I bought one like this to try. Of the 10 posts I wanted to post, he only came up with one. There is no way to install others (presumably the same size). So - be careful of the buyer - as they are also expensive because they are molded in plastic. You won't get another.
Easy Install White Magnetic Door Screen For Doorways And Sliding Doors - Fits 34X82 Fiberglass Mesh Screen With Heavy Duty Magnets - Screen Size 36X83
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