Jules, Sorry to be so long in responding. I haven't been having much trouble lately. I think just tightening the chin strap has made it more tolerable. That picture is not my machine. It is a Remstar Pro M series, Heater Humidifier Dom is the description. Model 1022334. The manual has an 06 date. I'...

Thanks to LSAT and PUGSY for responding. I haven't gotten this web site figured out yet so I don't know how to respond to you each individually but I certainly appreciate you both taking the time to respond. I assume that my dry mouth is the result of either too low humidity or mouth breathing and y...