12x12x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack Reflective & Greenhouse Films the level of water in

the level of water in the canister rises to expose more uncoated electrode surface

To create the best possible environment for all plant roots

making installation as simple as plug-and-play

UVSpec: 1

in an indoor grow

12x12x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack Reflective & Greenhouse Films the level of water inNordic 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