1The direction of flow can be adjusted freely according to one's own preference. 2Using metal strong magnet operation, more stable, quieter. 3Humanized water inlet, opportune interstice designed, filter sundries, prevent small fish being inhaled. 4With biological filtration cotton, good filtration effect, conducive to the growth of biochemical culture. 5With four suction cups, the filter can be adsorbed on the cylinder wall. 6With three slots, the wire can be changed according to the situation.
