22x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Commercial Lighting These slabs come in clearly

These slabs come in clearly marked UV resistant poly sleeves for ease of use

Temperature chart of the actual pH value at various temperatures printed on each bottle

Sachets are best used preventively

weighted base with non-slip rubber feet for extreme stability

Easily changed via toggle type fasteners

22x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Commercial Lighting These slabs come in clearlyNordic 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.