14x14x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack MH Optimal humidity is 50% or

Optimal humidity is 50% or greater

Gross Weight: 23

Contains natural pyrethrins widely used in organic growing because of its rapid breakdown

Boost productivity even further when you operate the lights with SmartPAR

The fabric helps reduce the release of unwanted particulates in your work area while tunnelized elastic provides a more secure fit

14x14x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack MH Optimal humidity is 50% orNordic 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