Lily Pipe Spin has a loop-shape outflow section. The water from external filter slows down while circling inside the loop portion and a gentle water flow appropriate for small aquariums is created. Lily Pipe Spin is also ideal for planted aquarium as it can be installed just by hanging it on the aquarium, without any suction cup, and generates gentle water flow inside the aquarium.
They are designed specifically for small-size aquarium tanks (glass thickness: 5mm or less). Very compact and no need for using suction cups. It makes suitable water current for growing water plants without disturbing the aquascape.