Features:

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.

Filter balls need to be ordered separately. Please kindly note.

Speicificaitons:
Product name: Aquarium Sponge Filter
Color: black
Model Number: YU-118,YU-119, YU-228A,YU-229A, Ceramic Media Balls

Reminding: The filter cotton can be compressed and if you receive the foam deformed upon receipt, allowing it to be soaked in water and it will quickly regain its shape (please don't open the disputation first). Thanks very much for your great cooperation.

Size: as picture

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. It must be used through connecting the air pump.

Including:

1pcs Aquarium Biochemical Sponge Filter/100g filter media balls