The Exo Terra Monsoon Multi II is a programmable misting systems suitable for all types of terrariums and green-houses. They help maintain optimal humidity by generating a fine mist at programmed intervals, the duration and frequency of which can be easily adjusted depending on the type of animal or plant housed. Strong 4.5 BAR / 65.25 PSI water pressure pump Flexible spray nozzles (up to 6!) can be pointed in any direction Large 8 litre (2 gallon) reservoir