Ducting is used in conjunction with your ventilation system to move air to and from your grow room to replenish CO2 and removing excess heat and humidity. Available in 5 and 10 metre variants to suit most gardening needs and available from brands such as RAM with their Combi-Duct variant which has a dual layer of aluminium sheath with a PVC outer layer, to offer further strength and insulation to your duct.
