Characteristic：

1.Compact and fairly thin, not taking up any extra space; user-friendly design, no tools are needed for disassembly; Height of the hook can be adjusted according to the water level.
2.The filter cartridge with high density sponge and high efficient activated carbon can absorb the oilfilm and quickly purify the water; Easy to clean and replace.
3.Driven by the air pump, very low noise; The dense compressed air stone helps maintain even air output and add oxygen to the water.
4.More filter box can be added for different sizes of fish tanks to have the best filtration effect.