17x21x1 Exact MERV 12 AC Furnace Filters 12 Pack ventilation It's OMRI-listed for organic use

It's OMRI-listed for organic use

Once sealed everything inside the bag remains fully protected from the elements until the bag is opened

Loose coco chips or croutons or husks packed compressed in blocks approximately 8-9 lbs in weight

Formulated using a patented formula

• Thrips

17x21x1 Exact MERV 12 AC Furnace Filters 12 Pack ventilation It's OMRI-listed for organic useNordic Pure MERV 12 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different