Power output is extremely quiet and is adjustable in all three models: once in the smallest model (100) of the series, twice in the medium-sized (200) and large (400) air pump.
All 3 models are supplied fully equipped. That means: Air hose and EHEIM outflow unit(s) included. The 200 l and 400 l models are delivered with 2 outflow units and the 100 l air pump comes with 1 outflow unit. The supplied EHEIM outflow unit is also adjustable. Thus the bubbling pattern can be easily adjusted to your taste and the requirements of your aquarium. The EHEIM air pump is equipped with an eye for wall fastening but can also be safely mounted on the vibration resisting rubber edges in a traditional manner. This prevents the pump from moving around.