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7) and balanced pH (6
providing your plants with the 17 essential nutrients
workshops and other areas with limited floor space
and coconut coir
14x25x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack grow media 7) and balanced pH (6Nordic 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
US$ 355.00
US$ 337.50