The Sobo Sb‐348a , Aeration Pump

The Sobo SB‐348A (sometimes labeled SB‐348) is a dual‐outlet, 5 W air pump designed for small aquariums: Output: Approximately 2 × 4–6 L/min (~3.5 L/min per outlet) Voltage: 220–240 V AC, 50/60 Hz Noise: Equipped with multilevel muffler and damping system—advertised as “extremely low in noise” Features: Energy-efficient, long-lasting, comes with suction cups, and offers 2-speed control