Size: 450 g
Sintered bio-glass rings for the breakdown of pollutants.
Key Features:• Biological breakdown of pollutants in fresh and saltwater aquariums: sintered bio-glass rings for the use in aquariums.
• Easy to use: insert bio-filter rings as second last filter stage.
• Intensive water clarifying thanks to biological filtering: microorganisms settle inside the filter material and break down pollutants.
• Extremely effective: conical tunnel pores and 5mm wall thickness create ideal surface of 1200 m_/L for beneficial microorganisms to settle.