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• Biofungicide (Bacillus subtilis)
Suitable only for high frequency
BioTill Calcium is specially formulated to breathe life into your soil
and amplifying aroma and flavour in all flowering and fruiting plants
This unit instantly reduces chlorine/chloramine and sediment
20x30x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack led • Biofungicide (Bacillus subtilis)Nordic 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
