Features:

Electric design, no need to connect the oxygen pump separately, plug in the power to use.
Simple and convenient operation.
Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality.
Increase the oxygen solubility.
Working noiselessly, Good Looking, and 360 degrees adjustable.
Good permeability, easy to clean.
Adhere smooth surface with suction cup.
Perfect filters accessories for your tank and aquarium.

Speicificaitons:
Product name: Aquarium Sponge Filter
Color: black
Model Number: YU-228C, YU-229C,YU-118,YU-119,Ceramic Media Balls
Plug: EU plug/CN Plug for your choice(When placing an order, carefully look at the plug shown in the picture)
Size:as picture
Note:Our options include options for not including filter balls and including filter balls. You can choose the appropriate product according to your own needs.

Reminder:
1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier.
2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water.
3.With water pump and EU plug. Connect the power supply to use. Make sure that the air inlet is above the water.