The versatile mask. F1B has the full configuration you could ever imagine, such as double-layer cushion, multifunctional oxygen ports, multiple forehead adjustments and anti-asphyxia valve.
– Remarkable comfort
– Forehead adjustment
– Extra convenience for oxygen input
– Therapy pressure: 3 to 40 cmH2O
– Size depends on face length. Distance between eyes and below lips.
(S) Small = 8 ~ 9 cm
(M) Medium = 9 ~ 10 cm
(L) Large = 10 ~ 11.5 cm
Whats in the box
1 x S / M / L Mask frame
1 x S / M / L Size mask cushion (Based on face length)
1 x Headgear
1 x Manual