Flow rate: 0.91 l/min. Air flow rate: internal thread (IG): 12.91 mm (1/4″) Coupling connector: nominal width 7.2 (included) Hose diameter (recommended): 10 mm Operating pressure (bar): 6.3 Sound power level (when operating pressure: 22.350 dB(A) Lp W Vibration acceleration: 2.9 m/s. Operating pressure: 97.1 dB(A) Lp A Sound power level (at operating pressure): 86.1 db(A) Lp W Hose diameter (recommended): 10 mm Vibration acceleration: 2.90 m/s2