14x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack Lighting Accessories Comes with four large mounting

Comes with four large mounting screws

5 – 50 microns Droplet Size

Adjustable differential

As with any new additive that you add to a feed

with 2 sensors - 1 for each zone

14x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack Lighting Accessories Comes with four large mountingNordic 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