I was checking for a video that shows the inside of the filter. Mine
seems to be degrading inside. I have only cleaned it once, today. It
really doesn't have to much hard use. I have used it for a wet vac a
few times, but it is mostly used for cleaning out cars.

Anyway..........this video shows a guy giving a demo of cleaning the
filter. He used air. My compressor died so I took the shower head
off in the basement shower and used a water stream to clean mine.
Looking at the video, air would have done the job much faster. It
took a really long time using water.

Anyway................This guy does a demo of how to clean the filter,
and then he replaces it with a new one. Wonder what he is going to do
with the filter he cleaned? )