20x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack pest-and-disease-control • Instructions included

• Instructions included

Average Growth - 10-11 months

15 min cool down with preset and custom lighting schedules

clean processed hoods offer the perfect balance of safety and comfort

20x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack pest-and-disease-control • Instructions includedNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in