14x14x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack lamps Protection: UL Listed for Wet

Protection: UL Listed for Wet Locations

Rated BTU per hour: 10

Works with Hydrofarm reflectors and most others

or once plants stop growing vertically

best results are achieved if you use them in rotation with each other

14x14x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack lamps Protection: UL Listed for WetNordic 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