-1.6 m 3/min *1 Panasonic standard 2.8 m 3/min *2 Powerful drying with large air volume.- Externally applied negative ions protect the water contained in the negative ions from heat & reach the hair making it silky smooth*3.- Dries quickly with a ultra quick-drying nozzle.*1 When TURBO & nozzle are not installed*2 When TURBO & nozzle are not installed air volume at a distance of 10 cm from the dryer outlet. Measurement method is Panasonic standard.*3 Effects vary depending on usage environment (season temperature etc.) & individual differences.