24x24x1 Pleated MERV 7 Air Filters 6 Pack Aeromixer They are also industrial grade

They are also industrial grade and not intended for medical use

or black fly

Not sure which size is right for you

Transition: 7 ml/gallon

24x24x1 Pleated MERV 7 Air Filters 6 Pack Aeromixer They are also industrial gradeNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters