Ok folks, what about something like this below--Angel Fish mentioned this and started me thinking. Could I dedicate a filter like this as a protective cover for housing port? From what I can tell, the ports are different sizes so I would have to make sure I got the right one but I could pop this on before handing it up on the boat or clipping to BC. I don't use filters at all typically so Im not familiar how they fit on....are they tight enough or would they slip off easily?
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