10x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack fans-ventilation-ducting Can hang vertically down into

Can hang vertically down into the plant canopy and is ideal for enclosed growth chambers

- Trichoderma harzianum Rifai strain T-22

an integrated temperature sensor

Achieve record breaking yields while driving down operational cost

Case of 108

10x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack fans-ventilation-ducting Can hang vertically down intoNordic 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