The Marina 200 air pump combines high performance output with quiet operation and is ideal for aquariums up to 225 litres. The Marina range of air pumps provide a reliable source of air for increasing water movement and turbulence for proper oxygenation, and can also be used to operate items such as air stones, air curtains air-powered ornaments and protein skimmers. Reliable Performance Quiet Running Powerful Airflow Double Output Suitable for Aquariums up to 225 litres