12x12x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack reflectors and grow lights Uses full-spectrum

Uses full-spectrum

plus a thermal controller

Benefits of PFR-97 WDG:

Using Clay Pebbles

12x12x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack reflectors and grow lights Uses full-spectrumNordic 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