In your other thread last week (5/17) I provided a link to a thread that showed how I did a conversion to what I believe is the same filter on my 56. I provided the manufacturer and p/n of the correct filter (WIX WA10094). To avoid making you follow links to two different threads now, here is a direct link to that post with pictures of my air filter before and after:

https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1212014/3.html

I hope this helps

1956 3100