It doesn't look like there are any problems with any of the connections and, as far as I can tell, nothing is wrong with the valve. A new thought occured to me: I use an oxygen compressor and since it sounds a loud siren to let everyone know it's been turned on, I usually turn it on before my wife g...

Thank you, I'll give it a try!

I've checked the hose for leaks, at least by covering one end and blowing in the other. I've checked and rechecked the connections and feel/hear no air coming out. I don't think the mask exhaust sounds louder when on my side, but I'll check. How can I tell if the anti asphyxia valve is falling open?...

I only recently, say about three months ago, found a mask that didn't make my face and nose itch unbearably and thus have been able to use my Remstar Pro 2 (with humidifier and 02) on a regular basis. At first it was great: I could feel my lungs filling, my hands stopped shaking, the long-time eyebr...