Features:

Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality.

Increase the oxygen solubility in water.

Working noiselessly.

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: Show as picture

Model Number: XY-2831
The whole size for double heads filter: 140mmx160mm

Sponge size: 80mmx48mm(HxW)

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:
10pcs Aquarium Biochemical Sponge Filters