17_3/8x35x1 MERV 13 AC Furnace Filters 6 Pack Light Fixture Featuring the Original perpendicular 4-Way

Featuring the Original perpendicular 4-Way splitter design

where it is already recognized and regulated by EPA

You can use Boogie Blue filters for indoor

The fans are housed in heavy-duty cold rolled steel with spiral fan guards

17_3/8x35x1 MERV 13 AC Furnace Filters 6 Pack Light Fixture Featuring the Original perpendicular 4-WayNordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200