Mother Nature waters from the top
6" x 32" Standard Carbon Air Filter
A louver vent hood designed to protect fans from and prevent entry of dust
4 outlets control temperature (heating & cooling)
Four square obeservation windows on the front & back door
8x20x1 Pleated MERV 12 Air Filters 24 Pack fans-ventilation-ducting Mother Nature waters from theNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different