This powerhead ensures permanent circulation of the aquarium water, specific surface movement and controllable oxygen supply. Thanks to the pump head that rotates in 3 dimensions, it is possible to adjust the outflow direction and the surface angle as required. The power regulator allows the flow rate to be adjusted to the desired setting and thanks to the diffuser, it is also possible to regulate the amount of air added to the water. The practical holder allows the filter to be positioned inside the aquarium and removed with ease. Comes with 4 suction cups and a suction cup holder, hose with air regulating clamp, power regulator with diffuser, pump head, shaft with bushings, impeller, pump cover, intake strainer. Size: 3 1/2" x 3 1/2" x 4 1/2" high.