It is quiet, but the rubber parts for the head do not tighten, resulting in constant movement and leaks. Also, the plastic pieces that go inside the nose are uncomfortable, but one can get used to them. Finally, the front tube does not move easily like in the Resmed N20, making it difficult for the patient with every movement due to the tube connected to the device.

Look, this mask is not for everyone. It takes effort to get used to it. However, if you get used to it, you have freedom of movement and, most importantly, a tight seal. No air escapes from anywhere. It is a bit noisy.