【Swivel】: JVP-132 freshwater and saltwater aquarium circulation pump, suitable for Malawian aquarium, coral reef aquarium. 360° rotatable bracket and nozzles for stronger wave effect. Simulate the natural ecological environment and disperse waterways. Suitable for 1.0-1.5m, 1.5-2m, 230-370L aquariums (based on 0.5m width and 0.5m height) Note: In order not to damage the aquariums, please do not let the anode and cathode together when installing the magnet. Please install it correctly according to the user manual. 【Swivel】: 360 degree free rotation, multi-section ceramic bracket, very quiet. Triangular rubber base, stable motor vibration and isolates collision noise from the housing. 【Stable】: The suction cup can prevent the aquarium from being scratched. Simply move the suction cup away from the aquarium to adjust the pump position. The suction power of the suction cup depends on the thickness of the aquarium glass. The maximum thickness should not exceed 15mm. 【Effective】: Quickly