16x30x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack biological fertilizer “primes the pump"

“primes the pump"

Highly efficient in overlapping multi-light configurations

Washington

Media sold separately: You can use your choice of hydroponic media

All stages growth stimulant

16x30x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack biological fertilizer “primes the pump"Nordic 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