Fluval Quick-Clear Pads are polishing pads uniquely designed to fit Fluval 106, 107, 206 & 207 High Performance Canister Filters. These extra thick micro-fine polyester pads effectively trap micro particles and debris as water passes through. Fluval Quick-Clear Pads are ideally used when cloudy water occurs or after tank maintenance to provide crystal clear aquarium water. For freshwater and marine environments. 3 pieces per pack