20x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack ventilation and ducting The high levels of sulfur

The high levels of sulfur make this an extremely effective flushing agent

and can be applied in conjunction with nitrogen based fertilizers

• Cool operation allows closer placement to plants

10'' or 12'' duct diameters

Use Extreme Serene in conjunction with any nutrient program or as a foliar feed

20x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack ventilation and ducting The high levels of sulfurNordic Pure 20x20x1 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