14x30x0.5 Ring Panel Air Filter rockwool If used correctly and with

If used correctly and with experience

perfect for 2'x4' veg footprint

Will also suppress/control bacteria

mineral buildup

14x30x0.5 Ring Panel Air Filter rockwool If used correctly and withNordic 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