12x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack featured All S-Line models are assembled

All S-Line models are assembled with high impact resistant polycarbonate casings

Max cable length per group : 100 meters

Packaging Dimensions:                   275mm(L) x 164mm(W) x 62mm(H)

Fully assembled—ready to plug and grow

12x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack featured All S-Line models are assembledNordic 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