| Price | $155 | $77 | $155 | $155 | $149 |
| Sizes | Small, medium, and large | Headgear: Small, small-medium, medium, and large; Nasal cushion: Small, medium, medium-wide, and large | Small and medium | Headgear: Small, standard, and large; Nasal cushion: Small-wide, medium, and large | Headgear: Small and medium-large; Nasal cushion: Small, medium, and large |
| Pressure range in centimeters of water (cmH20) | 4–40 | 4–30 | 3–30 | 4–30 | 4–30 |
| Tube connection Warranty | Front-of-face | Top-of-head | Front-of-face | Front-of-face | Front-of-face |
