16x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Hand Tools 3/4" Grommet Insert that goes

3/4" Grommet Insert that goes into the 1" grommet as an adapter for barbed fittings with the PowerGrower system (10 per pack)

Includes eight 4' tubes and is 4' in length

Optimize Coverage - 3ft × 3ft

Endomycorrhizal fungi colonize approximately 80% of the world’s plant species

16x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Hand Tools 3/4" Grommet Insert that goesNordic 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