14x14x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Grow Light Ballasts Also effective against sucking insects

Also effective against sucking insects like Thrips

these units are purpose-built for large commercial and industrial environments where air quality directly impacts operations

BEST VALUE - Comprehensive Control for General Pest Infestations

and tray which incorporates an adjustable drainage system which allows water to drain and air to circulate promoting healthy more productive plants

Measures 51" x 51" x 12"

14x14x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Grow Light Ballasts Also effective against sucking insectsNordic 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