16x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack lamps with three cells - this

with three cells - this unit includes one cell

Or add 4-foot and 8-foot Middle Trays to create sections 12

MERV 7 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 600

Directs energy and light down to plants

Fits in the Zenport HJ245 sheath for safe keeping when not in use

16x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack lamps with three cells - thisNordic 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