12x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack discounted Pockets of nutrients and water

Pockets of nutrients and water in the soil which were once unreachable by standard root systems are now made accessible through the "super-mining" effects which mycorrhizae gifts to your plants

or irrigation tubing to the outlet end

Nordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering

and 16" diameter

Always use equal parts of Athena Grow A & B to maintain proper mineral ratios

12x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack discounted Pockets of nutrients and waterNordic 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