20x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack veg-and-bloom This product is highly effective

This product is highly effective when it is used to prevent diseases or applied at the first sign of disease

Suggested Uses: Use to aid in the application of foliar fertilizers

• Patented WEDGE shape encourages root growth downward

The sensor will detect the environmental parameters then send the collected data back to the Hydro-X Plus

Well suited for low-light growing conditions and high humidity

20x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack veg-and-bloom This product is highly effectiveNordic 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