Healthy indoor air quality
Buying guide for home air filters in furnaces - HEPA, SMART or Regular?
...dust.
• Air filters with a MERV rating of 8 are capable of removing dust mites and mold.
• Air filters with a MERV rating of 11 are capable of catching pet dander, smoke, and smog.
One thing to bear in mind to assist with flu and virus transmission prevention is to install a MERV 13 rated air or furnace filter...