16x24x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack new_additions • Patented double wall design

• Patented double wall design for cool operation

waterproof (IP67 certified)

- Designed for indoor use

Formulated using a patented formula

16x24x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack new_additions • Patented double wall designNordic 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