16x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack Tents & Tarps • Accepts sodium or halide

• Accepts sodium or halide bulbs

high and low alarm control lockouts

GroEzy™ Expandable Pots / Opentops

Grow in hydroponic systems

continuously

16x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack Tents & Tarps • Accepts sodium or halideNordic 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