The maintenance of your aquarium is now simpler with SMART, the battery vacuum cleaner with cleaning cartridge. Smart is able to inhaling the dirty from the bottom of the aquarium very easily. The aspiration bell separates dirty from the gravel, convoying then in the special cleaning cartridge made by two stages. The filtering sock, in the first stage, is able to bind the rough impurity and detritus, while the cartridge, contained in the second stage, clean the water absorbing the dissolved substances! The effectiveness of the cleaning depends by the filter media, not included, with which the cartridge is filled (for example: zeolite, coal etc.) and by its quality. Thanks to SMART is possible to clean up effectively the bottom of the aquarium being eliminated also hazard chemistries substances of decomposition that lie on the bottom! SMART, thanks to its modular system, is adapt to all aquarium and turtle tank sizes; it can be used like a normal vacuum cleaner for the aquarium partial water change! (connecting it to a flexible tube Ø 12 millimetres, not included). In case of black out SMART it can also be employed like emergency filter for your aquarium! SMART works with 2 batteries type C 1,5V (not included).