Thanks for the question about how long I've used my Resmed. I bought a new Resmed machine a year ago. It was defective and I received a replacement so my current machine is quite new.

Thanks so much for the feedback. I used the Swift FX for Her for many years with no leak problems. In the past year I've tried Phillips DreamWear, AirfitP10 and a full face mask. I cannot wear a full face mask - it makes my AHI go sky high and didn't change my leak rate. The other masks made no diff...

I've used Resmed APAP machines for many years with no leak rate problems but this last year has been horrible for leak rates. My leak rate was consistently at 40-42 L/min for about 6 months but now it is at 53 L/min (for the last 3 months now). I've tried at least 5 different masks and none of them ...

Thanks much for the replies. What a relief to know that I didn't damage my machine!

I switched to my Devilbiss travel APAP machine last night and didn't check to ensure that the filter was inserted. This morning I realized that the filter was missing from the machine. Did I damage my machine by running it last night without a filter?