Fish Tank Filter, Silent Internal Aquarium Filter, Air Pump, Make Waves (4W-450L/H, Black)

Fish Tank Filter, Silent Internal Aquarium Filter, Air Pump, Make Waves (4W-450L/H, Black) Description

¡¾Biochemical Filtration¡¿This fish tank filter has 1 box with biochemical cotton inside, can collect and filter the waste in water, make wave and circular flow, help to culture beneficial bacteria, create a healthy water environment for your fishes and turtles. The biochemical cotton is washable and reusable.

¡¾Increase Oxygen¡¿The air inlet on the aquarium filter will increase oxygen level of the filtered water, make the fish more active. Also, a good supply of oxygen helps culture beneficial bacteria like nitrifying bacteria. You can adjust the oxygen supply by spinning the valve of air inlet. P.S.: The valve of the oxygen inlet should be placed outside the fish tank and contact with air.

¡¾Ultra Quiet¡¿Premium pump motor is noiseless during operation. It is only 35 dB, almost like the whisper or the sound in a quiet library. We recommend to turn off the spin button and stop the air inlet process at night, so that the filter pump will be more quiet;