Why do you need a wave pump? To maintain aquarium vitality, create water movement that encourages fish activity, helping them stay energetic and vibrant. The wave pump promotes water circulation in areas that typically remain stagnant. Stagnant water can become deoxygenated and disrupt the overall balance of the aquarium. This device helps maintain balanced water conditions and distributes oxygen evenly. It also helps prevent debris buildup in hard-to-reach areas of the tank. 360 Rotation Adjustable: This wave pump features a rotatable design, allowing easy adjustment of water flow direction to eliminate dead zones. Choose a suitable pump based on your tank size and requirements. Strong Suction Cup, Ultra-Quiet Aquarium Circulation Pump: Equipped with a strong suction cup that securely attaches to any corner of the glass walls without causing scratches, regardless of glass thickness. Includes a shock-absorbing design to minimize vibration and ensure quiet operation. The pump must be fully submerged and operates at less than 30 decibels, making it nearly silent and ideal for bedroom use. Reinforced Thickened Filter Cover and Propeller Design: Durable ABS housing with a compact profile that protects fish while maintaining efficient water intake without occupying excessive space in the tank. Plug Type: EU Plug, compatible with countries including Indonesia, Germany, France, Spain, and Italy. Voltage: AC 220V Color: As shown Material: Plastic + Electronic Components Package Contents: 1 x Wave Maker Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by 1-3 cm.