10x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack spl_hw Re-entry is permitted immediately after

Re-entry is permitted immediately after spraying

Whether you are growing vegetables

"Easy to set up and incredibly effective

sunny weather above 60°F

10x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack spl_hw Re-entry is permitted immediately afterNordic 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