Aqua One Air Pump SR7500 The Aqua One Precision Air Pump SR7500 delivers high-output aeration for medium to large aquariums, supporting efficient filtration and healthy oxygen levels. Its powerful airflow helps eliminate stagnant areas and reduces the build-up of harmful toxins, ensuring a stable and thriving aquatic environment. Featuring three outlets and an adjustable airflow dial, the SR7500 can run multiple airstones, sponge filters or bubble decorations simultaneously. Built with Aqua One’s reputation for robust, long-lasting design, the SR7500 remains exceptionally quiet during operation. Key Features & Benefits High-output aeration suitable for larger tanks Three outlets for multiple air-driven accessories Quiet and durable design Adjustable airflow control Helps reduce ammonia and nitrite buildup Promotes oxygenation and healthier water movement Simple diaphragm maintenance Uses standard 4mm airline (not included)