11 1/4x23 1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack lamps Tracking grain depression is required

Tracking grain depression is required for insurance purposes

or 1 pouch per 750-1500 gallons

and ventilate home rooms like attics

Rolls 7 3/4" to either side

11 1/4x23 1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack lamps Tracking grain depression is requiredNordic 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.