Features:_x000D_ _x000D_ Stainless steel spinning axis, fits for both fresh water and salt water. _x000D_ Adopts high quality plastic material, sturdy and durable. _x000D_ Build-in special slot to protect the motor. _x000D_ 360 rotatable wave, higher flow rates and lower energy consumption. _x000D_ Perfect wave maker to provide solid circulation for aquarium or fish tanks. _x000D_ _x000D_ Specification:_x000D_ Material: Plastic_x000D_ _x000D_ Color: Gray_x000D_ _x000D_ Optional type: Single Head with Suction Cup 8W / Single Head with Suction Cup 12W / Dual Head 12W / Dual Head 24W_x000D_ _x000D_ Plug: Chinese plug220-240V _x000D_ Size: _x000D_ _x000D_ Single Head with Suction Cup 8W: 12cm / 4.72 inch(Approx.) _x000D_ _x000D_ Single Head with Suction Cup 12W: 14cm / 5.51 inch(Approx.) _x000D_ _x000D_ Dual Head 12W: 9cm / 3.54 inch(Approx.) _x000D_ Dual Head 24W: 15.5cm / 6.10 inch(Approx.) _x000D_ _x000D_ _x000D_ Package list:_x000D_ _x000D_ 1 * Aquarium wave maker _x000D_ _x000D_ _x000D_ Notice:_x000D_ _x000D_ Please kindly make a note if you need a adapter._x000D_ _x000D_ Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. _x000D_ Please understand that colors may exist chromatic aberration as the different placement of pictures._x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Stainless steel spinning axis, fits for both fresh water and salt water. 2Adopts high quality plastic material, sturdy and durable. 3Build-in special slot to protect the motor. 4360 rotatable wave, higher flow rates and lower energy consumption. 5Perfect wave maker to provide solid circulation for aquarium or fish tanks.