【Super quiet design】 Powerful function, the water pump works quietly with water function, reliable and durable motor does not make too much noise, clean water in the aquarium, water circulation. Play a magic by watering, carrying water, controlling fountains and waterfalls. Even in the bedroom, the aquarium water pump can provide a quiet environment. 【Sustainable】This submersible pump impeller shaft is made of ceramic material which has longer service life than stainless steel shafts. High strength wear resistant rotor, acid and alkali resistant. Epoxy resin housing for important internal motor components protect against harmful electrical conductivity and corrosion of metal components. Oil free magnetic drive motors for sea water or fresh water. 【2-nozzle flow control】Aquarium water change fountain pump with 2 nozzles. Different nozzle designs can provide different water flow rates, and the maximum flow rate can reach 600L/h. The water column can rise up to 1.4m. 8/13mm nozzles are