Common CPAP/BiPAP Facemask System NuMask CPAP/BiPAP IOM System
Uncomfortable
Improved patient comfort/compliance
Leaks, especially with beards/toothless/obese
Leak-free
Multiple sizes
One size seals all
110 cc dead space
18 cc dead space
Claustrophobic
Relieves patient anxiety
Bulky
A fraction of the size
Complicated strap system
Easy 2 strap system