I will be vacationing in a place where the power is shut down from midnight to 6 a.m. so I will need a rechargeable DC battery and AC inverter. The F&P does not have a DC input. I'm looking for recommendations and advice. The CPAP.com Battery Pack looks good - is it compatible with the F&P 234? Than...

I have been using the Respironics ComfortClassic mask successfully for about ten months. Recently I noticed that my front teeth seem to have moved inward slightly. It is most noticeable in the morning and the teeth return to a more normnal position by the end of the day. The problem is not overtight...