Very quiet and extremely powerful air pumps. Pleasant operation due to sound-dampening chambers. Very quiet operation thanks to innovative pump design, strong housing wall, and special vibration-absorbing rubber feet. Exceptional quality and reliability. Consistently high airflow provided by a powerful, durable membrane. An air valve for controlling airflow is included in the packaging. Easy to operate, TÜV/GS certified. The Tetra APS air pump - APS 300 ensures exceptional aeration for your aquarium. With its innovative pump design and sound-dampening chambers, it not only delivers extremely powerful airflow but also remarkable operational smoothness. The vibration-absorbing rubber feet and sturdy housing contribute to a pleasantly quiet operating noise. This air pump offers varying performance levels for aquariums ranging from 120 to 300 liters while consuming only 4.5 watts. With the included air valve, you can individually adjust the airflow. Trust in the high quality and reliability of the Tetra APS air pump - APS 300, which also comes with a generous 3-year manufacturer's warranty. Ensure optimal oxygen supply in your aquarium with this powerful device. Includes 2 control valves and 1 T-piece.