18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack ph-ec-tds-meters-and-solutions Super BlueTM features the extraordinary

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

• Splatter platter collection case for easy extract removal

Made From Reinforced Polyethylene

Low-Temperature Defrost – Automatically defrosts coils in cooler conditions so performance stays consistent year-round

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18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack ph-ec-tds-meters-and-solutions Super BlueTM features the extraordinaryNordic 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