20x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack ventilation/air-conditioning Raised bottom and unique multi-drainage

Raised bottom and unique multi-drainage holes and slits for optimum aeration of the root zone

• Day/Night Humidity Setpoints

and terpenes along with increased growth rates and yields

LED Clone bars deliver a superior 9000K spectrum

consistency and filtration

20x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack ventilation/air-conditioning Raised bottom and unique multi-drainageNordic 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