All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Quiet and fine bubbles: generate dense of small bubbles, greatly increasing the solubility of oxygen in water; Bubbles are fine and smooth ,sounds quiet and won't disturb the small fish
Air Stone Dimension: 1 "D x 2.8" H;Fits for 3/ 16 inch standard airline tubing;Recommended air pump power: > 2W;Suitable for nano fish tanks and aquariums
Easy to use:Come with two suction cups that can firmly attach to the fish tank; The two-way valve can easily help you adjust the flow rate of stone;The check valve will protect air pump by preventing aquarium water from back siphoning
Note:soak the stone completely in water for 1 hour before use; Clean it regularly with a brush as it gets clogged after weeks or months of usage
Accessories:This air diffuser kit includes a 1 inch nano air stone disc, 1 control valve, 1 check valve, 2 suction cups and 4 feet tubing(Pump not included)