14x14x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Growing Accessories Broad Spectrum Coverage – Effective

Broad Spectrum Coverage – Effective against a wide range of common garden and greenhouse pests including aphids

5'' wide x 9

spring loaded action automatically opens blades after each cut

increase the light intensity up to 20%

5" x 10" x 2

14x14x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Growing Accessories Broad Spectrum Coverage – EffectiveNordic 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