【Simple Assembly】 First step: attach the air hose to the two connectors of the check valve. Second step: one connector connects the mini air pump, and the other connects the air stone. Only take a few minutes. 【Various Applications】The mini air pump can be used for all air-operated aquarium accessories, such as bubble stones, bubble decorations and small sponge filters. It can also be used for fresh water and sea water. 【Low Consumption】 The energy-saving mini air pump consumes only 1 watt during operation. More importantly, you can pay little money and get various features. A first class air pump for all betta and marine aquariums up to. 【High Airflow】 The maximum airflow of the oxygen pump aerator can . You can use small sponge filters and large air stones. Properly aerate the aquarium, give your pet fish more water movement and better oxygen exchange.