10x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack pots Fine tuned light spectrum for

Fine tuned light spectrum for horticultural applications

hydrogen and heavy metals in well water

We ship dry

Small Fruits & Berries

10x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack pots Fine tuned light spectrum forNordic 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