Information about AQQA 3-in-1 Internal Aquarium FilterProvide your aquatic pets with a crystal-clear, high-oxygen environment using this versatile 3-in-1 internal filter. Designed to combine water circulation, aeration, and wave-making, it is the perfect all-in-one solution for maintaining a healthy and thriving habitat in fish, turtle, or shrimp tanks.Multi-Functional 3-in-1 Water ManagementThis versatile system features both rainwater and aerator modes, allowing you to customize your tank’s environment. By combining high-efficiency filtration with wave-making and oxygenation, it ensures constant water movement. This prevents stagnant spots and maintains high oxygen levels, essential for the vitality of your fish and beneficial bacteria.Fish-Safe Design & Ultra-Silent OperationSafety First: The intake is engineered with small, dense holes to ensure that even small fish or delicate shrimp are never stuck or harmed while maintaining maximum flow.Whisper-Quiet Technology: Operating at ≤ 30dB, this filter provides a peaceful environment for both you and your pets.Adjustable Airflow: Includes an integrated air regulator that allows you to manage water flow gently, ensuring it never overwhelms delicate aquatic life.Simple Setup & Universal CompatibilityDesigned for ease of use, the filter is quick to assemble and disassemble for routine maintenance. Its compact profile makes it an ideal fit for various setups, including tropical fish tanks, turtle habitats, and specialized shrimp tanks. For optimal performance, simply ensure the pump remains submerged at the recommended minimum water level during operation.Complete Maintenance Kit & SupportEach unit comes ready for immediate installation with a comprehensive accessory kit, including a rainwater pipe for surface agitation and an aerator tube for bubbles. Your purchase is backed by a 1-year warranty and 24/7 lifetime customer support, ensuring your aquarium remains in peak condition year-round. Provide sufficient oxygen to aquatic lifeBeautiful Flow Driving water circulation and oxygenationPowerful Wave Absorbs impurities and keeps the water pureKeeping clean Can this filter only be placed vertically? AQQA internal aquarium filter can be placed vertically and horizontally. Tips: suggest immersing in minimum water level while using. Is it noisy? Is the noise getting louder after using it for a long time? The noise of the AQQA aquarium filter is lower than 30 dB. Ultra-silent design and the noise will not get louder after use for a long time.Tips: suggest disassembling and cleaning the pump monthly. Can this filter regulate airflow? AQQA fish tank filter is equipped with air regulations， distributes gently and evenly flow， do not harm delicate fish and shrimp. Can it be used for the saltwater tank? No. The AQQA fish filter doesn’t work for saltwater tanks.