12x30x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack Steel stake Each bottle has the lot

Each bottle has the lot number and expiration date

10pcs each per HCS-3

highly efficient and absolutely reliable

PRE-INSTALLED ADJUSTABLE SOCKET

12x30x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack Steel stake Each bottle has the lotNordic 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