18x24x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack Growing Accessories • Stainless steel recovery tank

• Stainless steel recovery tank

nasturtium

Six square air inlets at bottom

• Each controller unit can control up to 24 of our 5-gallon growing modules

Years of research and extensive testing have resulted in a truly unique PK formulation that enhances the vigor of plants during their blooming phase

18x24x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack Growing Accessories • Stainless steel recovery tankNordic 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