18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack ph-ec-tds-meters-and-solutions (guy in back ground yells

(guy in back ground yells Grow1

Super BlueTM features the extraordinary power of Super HPS and the balanced spectrum of HORTILUX-BLUE in one lamp

No more bruised fruit from shaking the crops to the ground during harvest

Bright White Surface

18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack ph-ec-tds-meters-and-solutions (guy in back ground yellsNordic 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