14x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack tents-/-indoor-greenhouses so you achieve maximum results

so you achieve maximum results

Greatly improves resistance to abiotic stress factors

Keep your plants from dying of heat stress or overheating once temperatures reach unacceptable levels

Because you’re still using coco media

14x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack tents-/-indoor-greenhouses so you achieve maximum resultsNordic 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