QTube Universal InLine Muffler for CPAP Machines
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Makes the Z1 tolerable
Written By: Bill, Midwest 11/3/2016
I had to wear ear plugs to use the Z1 before I got this. Every time I exhaled it whistled annoyingly, and would even keep my spouse awake. Amazingly this simple tube with foam in it (which is of course WAY overpriced) minimizes that sound. The question is, why didn't they include this with the Z1 to begin with?
At low pressures, OK, but...
Written By: Cpap Sam, Colorado 5/3/2016
In my experience, above 10cm H2O, forget it. A muffler at higher pressures? Don't think so. And BTW, despite it's wonderful portability, the Z1 is one noisy machine.
Reduces noise dramatically
Written By: Bill-e, Rindge 11/29/2015
I've been using the Q-Tube for almost a year now and it does dramatically reduce the noise of my Z1 Auto. I use my Z1 Auto 4 out of 7 nights almost every week and the noise never bothered me but if my wife was with me she would complain. Using the Z1 Auto and Q-Tube feels just as comfortable to me as using my bedside unit. Having conversed via message board with folks over the last few years on the topic of Z1 noise, it is clear that there are some people who are just super sensitive to noise when they sleep and cannot tolerate the high speed blowers of the travel cpaps.
Wish it wasn't needed.
Written By: Mark, W VA 10/29/2015
I've used the Z1 with and without a muffler. When I'm at home I use the muffler and it helps. When I travel I don't and it's okay, but I wish it was quieter. I think the muffler does help with sound at the mask though.
Not so good
Written By: SteveC, Pa 8/20/2015
Did not notice any noise reduction
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