1[NO REVERSAL] No reversal technology, no need to change direction, completely solve the common problem that wavemaker sucks water into the pump and sprays water all the time to generate waves. 2[LARGE FLOW] Helical impeller technology, large flow and turbulent flow, solve the single selection mode of ordinary aquarium powerhead pump, and flow mode is closer to nature. 3[360 DEGREE ROTATION] 360 degree all round angle adjustment freely, convenient and practical. The pump is suitable for aquariums of various sizes and can be used in saltwater and freshwater aquariums. 4[CIRCULATION PUMP] Circulate water temperature to reduce the temperature difference of the fish tank. Drive the flow of the water in the fish tank to make the water temperature more uniform. 5[MULTI EFFECTS] Create waves on the water surface, shape fish, and remove tank bottom. Wear resistant axes, strong wind, surging power, turbulent flow and more fish tank without dead ends. Item Type: AquariumWavemakerPump Material: Plastic Color: White 1 x AquariumWavemakerPumpPlease allow some errors due to manual measurement.