12x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Bio-Fertilizer Grow NPK: 3 - 2

Grow NPK: 3 - 2 - 5 TOTAL

Athena Balance is not recommended for electronic dosing systems (Netafim)

Commercial/Residential Odor Control: Reduces odor caused by mold

processors

12x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Bio-Fertilizer Grow NPK: 3 - 2Nordic 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