AEOLUS Cyclone Grooming Dryer with Heater New Launched 52mm diameter hose system and highly improved motor, give the user a much higher blow force of 605 grams, which is an increase of 45%, and an unmatched wind speed of 60 m/s, which is an increase over previouse model by 40%. Longer carbon brush of 38mm, which is the longest on the current market, and smaller sparks created by smaller carbon pellets and smoother roto, give the TD901T a longer lifespan by 30% compared to the previous model. A better air flow system and a smaller flow friction force, has allowed this dryer to perform at a higher energy efficient ratio. One-click Easy Operation: allows operator to remove nozzle head with use of just one finger, with a simple click of the attachment. With heater function useful for cold weather.