Made of food-grade materials, Eco-friendly bio filter sponge and works great without noise

Great way to clean and oxygenate your tanks

Ribbing shape sponge holds a lot of beneficial bacteria

Sponge filters comes with a media container which ceramic bio filter media inside, will help to remove harmful substance and increase oxygen level in your tank

Can be used with different filter media to enhance water quality.

Air-water outlet is adjustable so you can change direction and height of the water flow

All parts of the sponge filter are detachable so as to clean.

How to set up:

1. This product needs to be connected to the air pump, and equipped with a check valve on the airline tube to prevent water return to the air pump due to power failure.

2. Squeeze the sponge filter in tank water for 5 mins for 1st using, easy to digest form colonies of bacteria.

3. Use aquarium tank water while washing sponge, do not rinse the sponge with tap water or hot water

4. The air pump should be placed at the top of the aquarium to prevent backflow to the air pump due to power outage,