12x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack HVAC & HOME VENTILATION 000-hour service lifetime means less

000-hour service lifetime means less frequent lamp replacements - reducing labor and operational expense

Get more ballast for your buck with the SG ballast

preferred choice of growing medium

making your dollar go further without compromising the results as less is needed for each cycle

• Catalyst to chlorophyll formation

12x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack HVAC & HOME VENTILATION 000-hour service lifetime means lessNordic Pure 12x20x2 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