16x30x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack spl_fluence Unlike single-part bloom formulas that

Unlike single-part bloom formulas that leave growers guessing

Accelerate stem growth and promote plants sprout

Door Quantity: 3

electronic and magnetic

16x30x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack spl_fluence Unlike single-part bloom formulas thatNordic 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