LONG USE TIME: This hair dryer fan is 10 pieces per set and can be replaced and used for a long for time : You just need to soak it in boiling water, dry it and insert it into the motor shaft And use a small hammer to gently tap to the specified position, but be careful not to violently hit, otherwise it will damage the and the motor : This hair dryer fan is, which is not easily damaged and can be used for a long for time WIDELY USED: The fan is suitable for the motor with shaft diameter in 2.1-2.3mm, And it is easy to match the same size EASY TO REMOVE: This blower is easy to remove and easy to clean