12x36x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack refurbished-products Each container includes 1

Each container includes 1

Coverage Rate: One bottle covers up to 1

and comes complete with bituminous charcoal based carbon filter with one 6" inch duct for incoming air (top duct)

but its results are too

12x36x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack refurbished-products Each container includes 1Nordic Pure 12x36x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material