The air pump Aqua Medic Mistral 400 is characterized by very low power consumption and a durable membrane. The vibration-absorbing rubber feet ensure low-noise and low-vibration operation. The Aqua Medic Mistral 400 have an adjustable power regulator that allows flexible use for ventilating aquaria with air stones and the operation of protein skimmers with ceramic or wooden air stones.technical data Aqua Medi Mistral 400Voltage : 220 - 240 V, 50 Hzmax. power consumption: app. 5 Wmax. capacity: 2x 180 l/hconnection pressure side: air hose 4/6 mmnumber of connections : 2not adjustable dimensions (l x w x h): 153x75x66 mmsuitable for freshwater and marine water aquaria