20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack grow-systems-trays-reservoirs Cartridge available Dust & Organic

Cartridge available Dust & Organic Vapours

insulated packaging with moisture-retaining bedding

With 6 precision heating elements

Comes with 8' hard-wired power cord (no plug installed)

the first miticide specifically formulated for plants in vegetative growth

20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack grow-systems-trays-reservoirs Cartridge available Dust & OrganicNordic Pure 20x24x4 MERV 12 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