20x30x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack cococube | Airflow: 2418 CFM |

| Airflow: 2418 CFM | Noise: 68 dBA | Bearings: Dual Ball

both the individual culture/species as well as the final blend

and armyworms (except beet armyworms)

Each container includes 1

One case of (8) GC 30 makes 4

20x30x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack cococube | Airflow: 2418 CFM |Nordic 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