20x25x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack spl_ps this product reduces water surface

this product reduces water surface tension and enhances the movement of solutions and soluble nutrients throughout the rhizosphere

Improves uptake of mineral nutrients

• 3100K lamp included

Cheap in price by not in strength and uniformity

20x25x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack spl_ps this product reduces water surfaceNordic 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