Fluval Aquaclear Zeo-Carb Filter Insert

Zeo-Carb is a premium blend of Carbon and Ammonia Remover that eliminates water impurities, odors and discolorations, while also removing toxic ammonia. -2-in-1 premium activated carbon with Clearmax chemical filter media -Highly adsorbent – removes odors, discolorations and toxins -Helps promote healthy, crystal clear water -Reduces phosphate, nitrite and nitrate for a healthier aquarium -Improves fish health -Reduces aquarium maintenance -For best results, replace every 4 weeks -For use in freshwater and saltwater aquariums