Features: Experience aquariums filtrations with Clear Ceramic Replacement Cartridges, featuring a multilayer filter cotton and activated carbons cores that captures fish waste. Combining durable plastic housing with high density fiber cotton for compacts yet powerful performances. Ideal for both novice and expert aquarists managing multiple tanks setups, this energy efficient filter support heavy fish population while simplifying maintenance routines. Versatiles for freshwaters or saltwater environment, it seamlessly integrates into home aquariums, office displays, and habitats requiring space saving filtrations solution. This low maintenance system ensures year round clear water while reducing energy consumption. Specifications: Dimension:135x56mm/2.2×5.31in Component:Plastic and fiber cotton Package Includes: 3pack Ceramic Filter Cartridges note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.