WHAT ARE THE BEST AIR FILTERS FOR MOLD AND MYCOTOXINS THAT ARE SMALL ENOUGH TO FIT IN A SMALL ROOM, LIKE A BATHROOM? DOES A LARGE STANDALONE AIR PURIFIER NEED TO CLEAN AT .003 MICRONS TO CLEAR MOLD FROM THE AIR?

While having an air purifier with a HEPA filter capable of capturing particles as small as 0.003 microns can be effective, it’s important to note that mold spores typically range in size from about 1 to 30 microns. Most standard HEPA filters can capture particles as small as 0.3 microns, which is sufficient for trapping mold spores.

Here is a high flow HVAC filter replacement option: https://www.filtrete.com/3M/en_US/p/d/b00039984/