20x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack Aeromixer European-made VS K12 x 30s

European-made VS K12 x 30s high temperature lamp holders

and carbon block filters

• 2' x 3' BPA-free mat

The ducting is also durable with multiple layers of inner liners to protect from punctures from sharp objects

20x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack Aeromixer European-made VS K12 x 30sNordic 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