14x20x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack Amendment Store above 40°F and avoid

Store above 40°F and avoid direct sunlight

You will need either a pump or a valve

000 per acre bi-weekly for 2-3 applications

and enclosed spaces

favored by thousands of horticulturists—but with the added feature of curved blade tips

14x20x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack Amendment Store above 40°F and avoidNordic Pure 14x20x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material