14x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack Nutrients and Supplements -Prevents mold from forming

-Prevents mold from forming

Temp Range: 41°F-95°F

and other heavy metals commonly found in municipal tap water

No re-entry waiting period (0-hour REI) and can be used up until the day of harvest (0-day PHI)

14x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack Nutrients and Supplements -Prevents mold from formingNordic 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