10x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack grow-light-bulbs easy to brew blend of

easy to brew blend of organic matter that is packed full of healthy soil microbes

Provides smooth transition between growth stages

Thorough plant coverage is essential to obtain optimal levels of control

Recommended pumps: AAPC1010 or AAPC1020 or AAPC20

10x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack grow-light-bulbs easy to brew blend ofNordic 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