25x25x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack Emitters The logo pattern at the

The logo pattern at the bottom stores extra water during growth

Super fine weaved filter removes smaller sediments from water without premature clogging

Fatally breaking down proteins and organic materials in pest eggs

and as a foliar spray

25x25x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack Emitters The logo pattern at theNordic 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