The first 10 sessions were not bad, it works quietly, there were no problems with spraying. Used Astrazeneca Pulmicort (specially for inhalation in a nebulizer). For 11 times, after inhalation, he pulled out the blue part (chipper) in pieces, the plastic shackle broke off. I went to the service center, they looked at the malfunction and said that the warranty does not cover consumables and they cannot replace the chipper for me, they can only sell the entire camera for 800, which is a third of tSee full review