A246 Features: -Polishing pad. -Uniquely designed to fit fluval canister filters. -Extra thick micro-fine polyester pads effectively trap micro particles and debris. -Ideally used when cloudy water occurs or after tank maintenance. Pet Category: -Fish. Generic Dimensions: -Weight: 0.2 lb. -8.6'' H x 6.8'' W x 3.5'' D. Dimensions: Overall Height - Top to Bottom: -8.6 Inches. Overall Width - Side to Side: -6.8 Inches. Overall Depth - Front to Back: -3.5 Inches. Overall Product Weight: -0.2 Pounds.