13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack vacuum Whether you're managing a commercial

Whether you're managing a commercial operation

Safe on Edible Crops – Leaves no harmful residues on fruits

Greensand is gentle on plants and won’t cause root burn

Includes 4 pH buffer solution in a sponge embedded in a clear cap

Use it wherever you want lush flowers and delicious fruit

13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack vacuum Whether you're managing a commercialNordic 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.