Flow pump for freshwater and salt water aquariums, ideal for Malawized aquariums, coral reef aquariums. 360 ° adjustable support and nozzles for a more powerful wave effect. Simulate the natural ecological environment and disperses the streams. Clean food and fish drops more quickly at the bottom of the aquarium, reduces water pollution. Strengthen the exchange of microorganisms in the water and keep the aquarium clean. Free 360 degree rotation, multi-piece ceramic support, very quiet. Triangular rubber base, stable vibrations of the engine and isolates the collision noise from the housing. The suction cup can avoid scratching the aquarium. Just move the suction cup with the exception of the aquarium to adjust the position of the pump. The maximum thickness of the glass of the aquarium is 15 mm. The effects of the surf pump are adjustable. IMPORTANT: To avoid breaking the aquariums, please do not let the anode and cathode together when you install the magnet. Please install it