25x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack ph-ec-tds-meters-and-solutions or up to 7 days

or up to 7 days with this easy-to-use controller

Compares to traditional 1000-watt HPS/MH while consuming only 524 watts

Ideal for medium soil (loam)

One case of (8) GC 30 makes 4

AC Power Cord Length: 1

25x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack ph-ec-tds-meters-and-solutions or up to 7 daysNordic 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