12x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack complete-systems Head Size: 9

Head Size: 9

25 L/minute max output

and multiple size options

Use the original Hi-Brix "Molasses for Plants" for a dynamite finishing formula

• Compatible with Bluelab Connect Stick and Bluelab Connect Range Extender

12x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack complete-systems Head Size: 9Nordic 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