Our Aquarium Oxygen Pump 2 Outlets guarantees oxygen circulation, creating a more balanced aquatic environment for your fish. Its dual outlets ensure even distribution of oxygen, ensuring maximum efficiency and revitalizing oxygen for your aquarium. It's an ideal choice for aquariums of all sizes. Features: Oil-free compressed air pure High-performance, large volume, this section is ideal for small and medium-sized fish tanks plus oxygen Low power, economic power-saving, Continuous operation, and long service life Double-headed pump, there are two vents, can provide oxygen to two fish tanks at the same time Specifications: 100% Brand New and high quality Power rating: 5W Voltage rating: 220volts Max pressure: 0.015MPA Max displacement: 3.5L/Min Size: 11cm x 7cm x 4cm Tube Length: 2M(it can be cut into 2 tubes) Package Includes: 1PC x aquarium air pump 1PC airline tubing 2PCS air stone Notes: In order to avoid water flowing backward, the air pump should be put above the water of more than 20CM or the check valve on the outlet pipe. It may produce some noise during its work. Please allow a 1-3 cm difference due to manual measurements. Please note that a slight colour difference should be acceptable due to the light and screen.