- FOAM Ciano filtration foam designed for aquariums, size S, black color - Includes 1 unit per box, ideal for Aqua 15, Aqua 20, Aqua 30, Nexus 15, and Nexus 25 models - Provides optimal mechanical filtration, helping to keep the water clean and the environment healthy for the fish - Compatible with Ciano CF40 and CF80 filters, as well as Maggi 200 and SuperClean 40 - Easy to install and replace; it is recommended to change every 90 days - Suitable for cold freshwater or tropical aquariums - Dimensions: 6.5 cm length x 4 cm width x 15 cm height