14x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack nutrient-combo so there's no need to

so there's no need to stack additional additives

and comes with instructions and an 8-foot power cord (with bare wires

and cool-running—this is one cool ballast

Your plants will thank you with bountiful harvest and superior quality

120V power cord with grounded plug included

14x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack nutrient-combo so there's no need toNordic Pure 14x20x1 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