Puffing Billy. Two filters? I have a single foam filter in the back of the machine. It is about 1 inch by 1/2 inch. Is there another filter that I don't know about?

Has anyone else had a problem with their CPAP machine developing a very high pitch squeal on each breath intake that is loud enough to keep me awake. It even bothers my wife. I have a Phillips Respironics RemStar Auto A-Flex. I have had this one for about 1 year. It is the third one and all had this...

A big thanks to PST, Nursedeborah and JohnBFisher for your responses. I feel better about my issues. We lost power for a couple days a week ago and I couldn't use the CPAP machine. Snoring was awful. I was glad to get back on the machine. My wife appreciated me getting back on the machine too.

I am a new CPAP user. Probably should have been on the machine ten years ago. I have had my machine for a couple months now. I have noticed that when I wake up in the morning that I have a bag of fluid under my right or both eyes. It/they go down during the day but, what is this about. I asked my do...