3 posts • Page 1 of 1
- 53now
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- Joined: Sat Oct 23, 2004 6:22 pm
- Location: Louisville, Kentucky
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Full Face Mask ??
by 53now on Thu Dec 23, 2004 8:39 pm
Technically Speaking........"How does a Full Face Mask work ?" Does it prevent mouth breathing or does it allow for mouth breathing ?
- SLEEPY_RICHARD
- Posts: 5
- Joined: Wed Dec 22, 2004 3:06 am
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Don't use a F&P Flexifit 431
by SLEEPY_RICHARD on Fri Dec 24, 2004 8:08 pm
The Flexifit is very comfortable to wear but it is terrible to use!
It has been made cheaply and has no anti-suffacation valve - the ResMed Full Face does have one - the FlexiFit instead has a non-return valve in the elbow, this means that when you exhale you have to FORCE the air out the exhaust vents and this causes a MUCH higher pressure than your machine is running at to exhale against!
I have not tried the Respronics Full Face Mask - but the Resmed one is good for me.
It has been made cheaply and has no anti-suffacation valve - the ResMed Full Face does have one - the FlexiFit instead has a non-return valve in the elbow, this means that when you exhale you have to FORCE the air out the exhaust vents and this causes a MUCH higher pressure than your machine is running at to exhale against!
I have not tried the Respronics Full Face Mask - but the Resmed one is good for me.
Richard
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