17x20x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack micro-nutrients Patented double wall design for

Patented double wall design for cool operation

Not compatible with SKUs 129380/129385

The butterfly damper blades are made of aluminum and are equipped with a light spring that folds with minimal airflow

Pound for pound

small fruits and tree fruits and nuts

17x20x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack micro-nutrients Patented double wall design forNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.