18x18x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack Power & Lamp Cords PrSpec: 100 μmol/s

PrSpec: 100 μmol/s

• If you recirculate your nutrients

Turn Compressed Coco Into Ready-To-Use Pots in Seconds

We recommend that you change your air filter every 3-6 months to maintain maximum efficiency and economy

18x18x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack Power & Lamp Cords PrSpec: 100 μmol/sNordic 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