13x21x1 Exact MERV 14 AC Furnace Filters 6 Pack hawthorne Humidity: 5% to 90% RH

Humidity: 5% to 90% RH

• Hypoallergenic

This spray is powerful enough to repel biting

One sits on the platform to protect it

13x21x1 Exact MERV 14 AC Furnace Filters 6 Pack hawthorne Humidity: 5% to 90% RHNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.