Specifications

 Atman aquarium internal filter AT881
1.Main inflow at the surface of the water.

2.Additional inflow in the lower part of the aquarium.

3.Water flow through the sponge layer for physical filtering.

4.Water flow through the substrat layer for physical filtering.

5.Water flow through the bioball layer for physical filtering.

6.Siphon underflow through the substrat for biological purification.

7.Swivelling outlet with air injection for the desired direction of current and

 movement of the surface and adding oxygen into the water