18x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack extraction and large scale operations alike

and large scale operations alike

farmers with multiple varieties

and a self-sealing fitting

this is also a great time to inoculate your medium with your desired microbials

enhanced traction

18x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack extraction and large scale operations alikeNordic Pure 18x24x4 MERV 8 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