the ability to work in sea and fresh water - you do not have to look for a filter that is suitable for use in a particular type of liquid;
convenience of action - in the process of water purification, the noise produced is not enough to disturb a person. So a filter of this type can be used quite safely for medium-sized home aquariums;
high quality water treatment. The liquid in the aquarium is cleaned by mechanical and biological means, so that it comes out of the filter clean, and all particles of pollution remain on the filter sponges;
built-in oxygen saturation function.
 
The internal filter has the following parameters:
power 15 W;
power of water passing through the filter - 850 l/h;
when cleaning, the water rises to a height of 1.5 meters;
The height of the filter is only 27 cm. 
maximum aquarium volume 210 l