Description
20x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutrients Nordic Pure 16x20x4 Plus Carbon Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 13 are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home Covers 4' x 4' at 3' above the canopy