outlets allow you to adjust the airflow for 8 aquariums Inlet connector diameter: 10mm and 8 outlet diameter is 5mm. Manually control vital oxygen flow or turn on or turn off an air pump. Made of chrome-plated copper, the air never escapes. Not suitable for CO2 system. Weighs 0.2 kg, measures 16 x 6 x 0.5 cm.
