DiffuseAir systemDiffuseAir efficiently mixes the air in your grow room, offering total control over your climate. Designed and made by Systemair. DiffuseAir effectively eliminates micro climates, high humidity zones and hot spots, as well as harsh air streams which can cause wind burn to your plants and salt accumulation in growing media. The unit hangs from the ceiling, giving you more floor space for growing. Aerodynamically efficient Proven technology Ceiling hung