Aquarium Fish Tank Bio Foam Sponge Filter Small Fry Filtration

Ultra-fine filter holes can effectively filter harmful bacteria and suspended solids.

Increase the amount of water-soluble feed gas, saving electricity.

Can be used with the cylinder, plug, the top of the filter to do the exquisite pre-filter

Cylindrical full range of biological and chemical filtration cotton no dead angle effect.

Multi-layer sponge design, can be continued cleaning, shift cylinder does not affect water quality.