18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack lighting-accessories Hi-Vis Orange color

Hi-Vis Orange color

Circulating the air also maximizes the application of CO2 in the grow facility

Diamondback moth (Plutella xylostella)

SNS-311 Natural Plant

18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack lighting-accessories Hi-Vis Orange colorNordic 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