14x14x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Grow Light Ballasts Part A of this easy-to-use

Part A of this easy-to-use two-part formula

and tray which incorporates an adjustable drainage system which allows water to drain and air to circulate promoting healthy more productive plants

Also effective against sucking insects like Thrips

squeeze the DaPlugs

Output Voltage:                        0~11

14x14x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Grow Light Ballasts Part A of this easy-to-useNordic 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