18x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack AIR FILTER BOXES The micelle measures between 1-4

The micelle measures between 1-4 nano meters and does all the work

The Triple-Threat Combo includes each of three beneficial nematode species: Heterorhabditis bacteriaphora

flow (flood & drain) systems work by pumping nutrient solution up from a reservoir to a controlled water level tray

manufactured by Nordic Pure

18x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack AIR FILTER BOXES The micelle measures between 1-4Nordic 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