fish tank water changer automatically electric gravel cleaner set extension tube

functions: multifunctional aquarium gravel cleaner can clean the gravel for the fish tank while can be used as the water pump to change water. material: adopting plastic material to make water pump is not easy to be damaged and has a long service life. labor-saving: press the power on/off and the water will be pumped out automatically, saving many efforts. easy install: this pump is easy to install and operate. ba