AQUAEL Circulator 500 is a powerful pump for use in freshwater and marine aquariums. The high efficiency makes the AQUAEL Ciculator perfect for water aeration, rapid filtration, circulation, operation of bottom filters, etc.. The pump is suitable for freshwater convinced with very quiet in operation. The AQUAEL Circulator is equipped with an infinitely variable output control in the form of an ergonomic rotary knob, which is located on the pump output nozzle. The outlet is also rotatable. This makes it easy to adjust the water flow to the needs in the aquarium. The pump can be used inside and outside the water. With the enclosed intake reducer, smaller hoses (from 12 mm) can also be connected to the intake manifold.AQUAEL Circulator 500+ exceptionally high performance+ particularly efficient water aeration+ quiet and energy-saving+ stepless and convenient power adjustment+ suitable for aquariums up to 150 l+ supplied including air intake nozzle, filter basket, outlet nozzle, reducer et