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Nordic Pure 12x20x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
and liquids from soaking and staining
including ornamentals
Boron aids the plant’s transport of sugars and the development of a healthier flower
The shelf life in the original container is up to two years (at room temperature - do not refrigerate)
24x24x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack hydro-x Nordic Pure 12x20x1 MERV 12Nordic 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