Circulate the water in your aquarium with this Top Fin Mini Air Pump. This air pump circulates the water in your aquarium with a compact, durable and energy efficient design. Circulating water from the pump can evoke movement in your aquarium's decorations and aeration products. Only at PetSmart. Features: Durable, compact pump circulates water and quietly engages ornaments and other aeration products (not included); Energy-saving design for efficient use Includes: 1 Mini Air Pump Intended For: Indoor aquariums up to 5 gallons Size: 3 in L x 2 in W x 1 ¼ size Instructions: Connect tubing and air stone to the pump nozzle; turn power on Caution: To avoid injury, follow the safety instructions in the enclosed instruction guide. Size: 1 Count.