18x24x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack vacuum and connecting smaller ducts to

and connecting smaller ducts to bigger ducts

) with aluminum balanced security base for superb stability and safety

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Curved Blade

Developed by distinguished physicists and leading agricultural researchers

18x24x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack vacuum and connecting smaller ducts toNordic Pure 18x24x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy