20x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack tents-&-tarps As an anti-feedant which will

As an anti-feedant which will discourage insects from feeding on treated plants

reducing the risk of irritation and allergic reactions

2 cubic foot bag

Great to use in transportation

5’ flowering coverage at 16” height

20x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack tents-&-tarps As an anti-feedant which willNordic 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