Fans
A fan helps maintain a sufficient level of air and this insures for a healthy environment in the room with your plants.
As for to reach air quality, you need to provide sufficient air exchange in the room for growing.
Satisfying exchange in the room varies according to the temperature outside.
With circulation, mixing, refilling air, the fan provides a high degree of control over moisture, heat, carbon dioxide (CO2) and air circulation.
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Cornwall 40cm - Circulation wall fan with remote control
Price: €38.87
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High Pro Clip Fan Professional 5W - clip fan
Price: €17.90