The ultimate way of producing real rain forest or cloud conditions for Orchids and Tropicals.Reduces summer temperatures in greenhouse or conservatory.The unit has to be connected directly to a mains water supply, RO or rainwater tank.Converts 8ltrs of water to fog per hour will provide humidity for up to 400 sq ft of greenhouse. 14"dia x 14" high. Best controlled by Humidistat. Supplied 3mtrs Hose & Tap Connector, and 2mtrs Mains Lead and Plug.Clouds of dry fog quietly but impressively.