18x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack spl_hgc Case Quantity of 12 pieces

Case Quantity of 12 pieces

maintains soil structure

When combined with Grow A and B and Bloom B

add Elite 91 Silicic Acid in the foliar mix first

18x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack spl_hgc Case Quantity of 12 piecesNordic Pure 18x24x1 MERV 8 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