12x12x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack Pots and Containers High phosphorus and potassium levels

High phosphorus and potassium levels increase flower production and potency

the 10 shelfs are made of aluminum alloy plate with good thermal conductivity and have 5 independent digital touch heating controls

allowing for maximum effectiveness

Simply trim and sanitize two-inch cuttings and add the prepared liquid establishment medium

1 x Micro Drip | 16-17 mm Pipe Fitting | 3/4" Male Adaptor (Single Unit)

12x12x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack Pots and Containers High phosphorus and potassium levelsNordic 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