We do have a couple of options that you may be interested in, like the Camco RV Adjustable Screen Door Standard Grille # CAM43980, which is meant to fit a variety of doors measuring 20" to 29" tall, and 24" wide.
So, if you measure the size screen you need and it falls within these measurements, then # CAM43980 will work great for you.
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If you are able to provide some measurements, I'd be happy to help. view full answer...