Super quiet design Powerful function, the water pump works quietly with the water function, reliable and durable motor will not make too much noise, clean water in the aquarium, water circulation. Play a spell by sprinkling, carrying water, driving fountains and waterfalls. Even in the bedroom, the aquarium water pump can provide you with a quiet environment. DurableThis submersible pump impeller shaft is made of ceramic material, which has a longer service life than stainless steel shafts. High strength wear resistant rotor, acid and alkali resistant. Epoxy housings for major internal engine components protect against harmful electrical conductivity and corrosion of metal components. Oil-free magnetic drive motors for saltwater or freshwater. 2 Nozzle Flow ControlAquarium water changing fountain pump with 2 nozzles. Different nozzle designs can provide different water flow, and the maximum flow can reach 600L/H. The water column can rise up to 1.4 m. 8/13mm nozzles are available to provide different flow effects. Mini Water PumpThis powerful and compact aquarium water pump is easy to use and easy to hide. Dimensions: 9.7cm long x 9.1cm wide x 11.2cm high. Mute helps to keep it in place. Easy to useNo tools required for disassembly, easy to separate, easy to clean, just plug it in and quickly drain (cord length d supply: 1 m). This ultra-quiet fountain pump for ponds lowers the water level to 1 cm and easily picks up debris and 1/5 inch fish droppings