17x20x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack Cleaning Products The shelf life in the

The shelf life in the original container is up to two years (at room temperature - do not refrigerate)

Take back your outdoor space without sprays

Can be plumbed for permanent drainage

With powder coated German aluminum to ensure a long life

Stealth-RO150

17x20x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack Cleaning Products The shelf life in theNordic 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.