Aquarium Fish Tank Cylinder Sponge Filter Replacement 120mm Height 5 Gallons

Increases the oxygen in aquarium and fish tank.

Dense honeycomb shape makes it effective to avoid and reduce the death rate of fish.

Tips:

1. Soak the sponge in the aquarium water for 5 mins before use.

2. Always use aquarium water to rinse and clean the sponge. Do not use hot water.

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