Choose a Category > Fish and Reptile Accessories > Marineland > Filters and Filter Media > 466-90323

Rite-Size "S" and "T" Ceramic Filter Rings for the Marineland C-Series Canister Filters. Provides a porous surface area for the support of biological filtration.The Ceramic Rings provide a large, multi-faceted surface area for the growth of beneficial ammonia neutralizing bacteria responsible for biological filtration. Replace Ceramic Filter Rings when accumulated dirt on ring surfaces cannot be rinsed away. Contains 140 Pieces.