20x24x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack soil and seamless shoulders help prevent

and seamless shoulders help prevent tears and allow you to move more freely as you work

High quality steel blades

Unaffected by freezing or adverse weather — remains viable through seasonal temperature extremes

Utilizing a top-fill input

• Accepts sodium or halide bulbs

20x24x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack soil and seamless shoulders help preventNordic 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