16x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack Lighting Accessories Permanent green markings

Permanent green markings

Internal usable width is 43

Azalea Roseum

Input Power: 330W

Measurements range of 0-1999 S/cm

16x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack Lighting Accessories Permanent green markingsNordic 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