18x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Hydro Systems • View data and current

• View data and current status remotely via Google Docs (a computer with permanent internet access is required)

Centurion's non-stick Quantanium coating means no spray is needed so your Keif is 100% pure and usable

• Completely non-toxic—will not react under light and heat

Conventional fertilizer programs focus on the macronutrients like Nitrogen (N)

Four layer design makes it more durable and resistant to leaks

18x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Hydro Systems • View data and currentNordic 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