All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
--Tiny but Enduring: There are 50 Air Stones in the package, Each air stone for aquariums measures 0.6" D x 1" H and weighs 0.3 oz. Tiny but well-constructed for continual bubbling. Washable and reusable. Ideal for small fish tanks or aquariums.
--Dense Bubbles: The air stone cylinders produce a good amount of fine and uniform bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
--Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. And not much noise. Help keep your fish growing healthily.
--Widely applicable: Great for freshwater, saltwater/reef aquariums and hydroponic use; Increase oxygen levels, "blow off" CO2 and raise pH; Can be easily driven by even nano air pumps
--Important: Soak the airstone completely in water for 1 hour before use. Clean the fish tank bubbler regularly with a brush as it gets clogged after weeks or months of usage.