The EHEIM compactON 600 Aquarium Pump is perfect for small aquarium systems of almost any type. It has a slick， compact design and is versatile， powerful and efficient! Robust suction cups safely secure the pump to the glass surface and thanks to its high-quality make， this compactON pump runs quiet and works great in both fresh and marine waters! Every purchase comes with an accessory bag with additions like a suction basket and threaded coupling for greater versatility.