15x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack spl_dakine420 Higher red spectral ratio enhancing

Higher red spectral ratio enhancing flowering & growth

Takes up 2U of space

Can be used as a bulk media ingredient or in hydroponic and soilless applications

can be used up to and on the day of harvest

camouflage print bag

15x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack spl_dakine420 Higher red spectral ratio enhancingNordic Pure 15x20x2 MERV 12 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