14x20x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack special-order Improves tolerance to stressors like

Improves tolerance to stressors like drought

the purified water going out of your reverse osmosis system at any time

Great for use as garden markers and potted plant supports

-Extends shelf life

Do you grow hydroponically but you are tired of feeding minerals to your plants

14x20x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack special-order Improves tolerance to stressors likeNordic 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