16x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Tents / Indoor Greenhouses Trichogramma releases can significantly reduce

Trichogramma releases can significantly reduce moth/caterpillar populations and limit pesticide use

Weatherproof—lasts for years

depending on crop/deficiency levels

Uses Include:

16x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Tents / Indoor Greenhouses Trichogramma releases can significantly reduceNordic 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