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Notice:

Please do not use immediately. Soak in water for half an hour before use.

Feature:

1. Ready to use media bags, convenient use for all types of filters. Good to use in both fresh and saltwater tank.

2. Hollow shape enhances biological filtration capacity allowing water flow through and less likely to get clogged.

3. Porous ceramic material maintains a healthy and biological balance for your tank.

4. Mesh bags. Size of ceramic ring: 11/16" x 5/8". Size of filter media bag: 8 " x 5.5 ". The zipper of the mesh bag is made of plastic.

Many people prefer ceramic rings over other biological media is due to its cylindrical and hollow shape which allow water flow through and less likely to get clogged.

The free media bags are reusable and zipper-design.

Package includes:

1 bags of ceramic ring in mesh bag

（According to customer's choice）