Marineland Ceramic Filter Rings provide a large porous surface area for the growth of Bio-Spira bacteria and the beneficial ammonia-neutralizing bacteria responsible for biological aquarium filtration. The ceramic rings fit all Marineland C-Series and Magniflow Canister Filters and are compatible with Marineland Rite-Size S, T and X. Each pack contains 140 ceramic filter rings. Gently rinse monthly in established aquarium water. Replace only if damaged or if accumulated dirt cannot be rinsed away. Never replace more than half of the ceramic filter rings within a 3-month period.

Features:

• CERAMIC FILTER RINGS: Provide a large porous surface area.
• FOR BIOLOGICAL FILTRATION: Rings provide area for growth of Bio-Spira bacteria and the beneficial ammonia-neutralizing bacteria responsible for biological aquarium filtration.
• COMPATIBILITY: Fit all Marineland C-Series and Magniflow Canister Filters and are compatible with Marineland Rite-SizeS, T and X.
• QUANTITY: Each pack contains 140 ceramic filter rings.
• MAINTENANCE: Gently rinse monthly in established aquarium water. Replace only if damaged or if accumulated dirt cannot be rinsed away. Never replace more than half of the ceramic filter rings within a 3-month period.