Newa Micro MC450 Economic submersible aquarium micro-pump. Miniaturized. Quiet. Minimum maintenance. Motor self-protected from overheating. Adjustable flow. Minimum energy consumption. Ideal for aquariums, reptiles, table fountains, nativity scenes and other decorations. Characteristics: 1) Interchangeable tubes included. 2) Adjustable flow. 3) Suction from below. 4) Protective sponge.