Hailea Air Pump ACO Super Silent Output Hydroponics
They are super silent with a multi-level muffler. Output is 4mm - 6mm. With a very low power consumption. Air output: 3.2 L/m. Air output: 7.2 L/m. Air output: 10 L/m. Air output: 14 L/m. Air output: 16 L/m.