Features: 1. Several media trays capable of handling your choice of filtration media; Comes with an adjustable spray bar. This is a helpful feature if you want to adjust the output flow from the filter. 2. Convenient self-priming pump that eliminates the need for manual siphoning; Single valve disconnect & priming pump ease routine maintenance 3. Canister filters for aquariums use high water pressure, from a properly powered pump, to force water through the dense filter media. A pump can draw water from an under-gravel filter, and run it into a canister for double filtration 4. The 5 flexible media trays allow you to add other filtration media such as activated carbons, ceramic rings or bio-balls to achieve excellent mechanical, chemical, and biological filtration. 5.Easy to install, suitable for fresh water, seawater aquarium and seaweed tank use. Specifications: 1. Material: plastic & magnet 2. Voltage:220-240V 50Hz 3. Power: 12w Caution: 1. Pleasec full fill the canister with water before you use it. 2. We may send you a plug adapter(EU, US, AU, UK,etc) according to your country . If you need another type, please leave a message after ordering or contact us directly.