“The mask does not allow expelled air to leave the system, causing a suffocating feeling. Despite multiple calls to the service centre we still have not been contacted.”
“This product is OK for a while but then the headband stretches and you have to keep tightening & then nose nodules dry out the nose. I really would like the mask that covers the hole nose but not sure it was leave marks on my face as I am on blood thinners & I seem to get marks a lot”