18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack DUCTWORK After adding and stirring in

After adding and stirring in each nutrient

and mycorrhizae (Glomus intraradices 0

Remove the filter access panel to remove and replace the filter

it also data logs these critical parameters to your computer for you

18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack DUCTWORK After adding and stirring inNordic Pure 18x24x4 MERV 10 Pleated 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