You just looking for something temporary?
How about this?:
https://www.lowes.com/pd/Frost-King-Common-15-in-x-24-in-x-0-1875-in-Actual-15-in-x-24-in-x-Washable-Cut-To-Fit-Air-Filter/1196229
Cut to fit. Will still pass air but not bugs.
BTW, it's what I use for the intake filter for Touche's Cr
Does anyone have a DIY solution for a screen to fit a Lewmar inside opening
port? Delivering a boat with 12 X 5 or 6 inch ports. Len
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