Marina Slim Filter Cartridge Compatible x6 Pack S10, 15 , 20 Bio Clear For Clean & Clear Water Carbon or Bio Clear (Bio-Clear Absorbs Toxic Ammonia Reducing Stress)

5 x Replacement Compatible Biorb Filter Service Kit
Simply remove old media from your filter, retaining the plastic housing, and insert our media replacements, followed by the foam ring.
This kit contains 5 x foam rings, and 5 x sachets of Carbon/Zeolite Mix.