Tetratec CR Ceramic Rings
Filter media for TetraTec EX range and other external filters. Reliably removes large particles from aquarium.
- Hollow ceramic rings with high internal surface area
- Mechanically removes large particles from aquarium water
- Distributes flow evenly through external filter
Rinse with lukewarm water before use. Can be reused several times, wash in lukewarm tap water to clean.
Suitable for all external filters.
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