Mr Aqua Ceramic Filter Rings 12 mm - Small 5 L

Mr Aqua Small Porous Ceramic Rings are biological filter media with a porous surface for beneficial bacteria.

• Pack volume: 5 L of media
• Size grade: small
• Manufacturer part number: MA-CR-5L-S

The 5 L quantity describes the filter media supplied, not the aquarium capacity. Use in a compatible media compartment and check the actual ring dimensions if compartment fit is critical.