Fans, Filters & Air Control

Fans, Carbon Filters & Air Control 
 
Fans, or air extractor fans are indispensable for extracting hot air and letting cool fresh air in to your cultivation area. It is one of the key's to success when growing plants in an hydroponics environment. This means a good grow extraction kit or system is essential. By testing and listening to grower's from from all over the world Castle Hydroponics believe we provide the best value for money products available. The air needs to be kept at the right temperature and humidity, and the CO2 level around the plants needs to be kept up by refreshing the air or by CO2 supplementation.