I hope selling is permitted, I scanned the FAQ and either missed it or it wasn't covered. If it is not permitted, moderator please delete it. I've upgraded to a Z2 Auto CPAP machine for my future travel plans and have a little used Z1 Auto for sale in like new condition. I upgraded for the auto on/a...

I did a two night sleep study separated by a month. First night was wired-up and slept without a mask to get a base line. The second night a month later was done all wired-up and with a mask. I told the tech that I was a mouth breather but he insisted on me trying the nasal pillow first. I am glad h...

The qtube does make a difference in reducing the air rushing sound but has minimal affect on the whining nose. Hdm is selling the unit for about $35 plus you have to replace parts every 14 days at a cost of $12 per month. Add that to the cost of the HME humidifier module and the total cost of opera...