Mini Split Air Filter Mod…. Does it still work?

It’s been a few years. How are the filters holding up? Quite well, if I do say so myself. This has turned out to be one of the best shop mods I’ve made. I wish I would have made these for the mini split in my last shop. I had to clean the internals of that unit a few times for it to cool correctly. It just had the stock plastic washable filter.

More info on the subject:


  1. Amazing, so clean after 2½ years.👍
    When you dropped the filter on the floor did it indecate and dust discharge?

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