Hygger air pump kit provides powerful and dependable airflow for up to fish tanks 300 gallons, aquariums, hydroponics, and pond. The pump kit is efficient and easy to use. Two air outlets for even more versatility of use. It can be connected with two air stones, or use a connector to connect only one air stone, and can also be used with aquarium filter settings. It is designed with durability and aesthetics, and the knob and shell are brushed, which is beautiful and fashionable.