try some SS or galv fly screen … cut a 1″x 2″ rectangle just roll it up like a carpet…. pinch the top and stuff it inside the threaded section. dab the edge with JB steel weld to hold the screen in place . you can get SS screen from a cheap spagetti screener at the dollar store ,,, cut it up… roll it up
done.
or get brass mesh cloth from Mcmaster $$$$
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