I also found the Quattro FX FF to work well, but it did create permanent marks on the bridge of my nose (long-time user). I have tried various cushions, but have not had any success. I don't have trouble with slippage because I wear it snug since my pressure is high. I recently had another sleep stu...

I want to thank you again for your previous responses. That information has been very helpful. To update, yesterday I had an appointment with the sleep doctor regarding my last test. I stated that I felt the SV is the machine needed to control sleep apnea, so when my brain does not send the message ...

I checked my machine and I currently have the BiPAP Auto SV Sys One, DOM. There were a few numbers on the back: 950P, PO3749241. I also have a REMstar Heated Humidifier 1056215 / H01126038. The mask is a ResMed Quattro Fx, full face mask, #61700. I am expecting to change to the Amara View. I couldn'...