Item Type: Aquarium Wavemaker Pump_x000D_ Material: Plastic_x000D_ Color: White 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.Please allow some errors due to manual measurement.1 x AquariumWavemakerPump