How we reviewed this: written from Fisher & Paykel’s instructions for use and U.S. retail prices, not hands-on testing.
Sources: F&P instructions for the Simplus and Vitera; CPAP.com prices checked 13–14 October 2026.
| Spec | Simplus | Vitera |
|---|---|---|
| Pressure range | 4–25 cmH2O | 4–30 cmH2O |
| Sound power / pressure | 25.8 / 17.8 dBA | 29.8 / 21.8 dBA |
| Dead space | S 251, M 278, L 310 cc | S 246, M 271, L 322 cm³ |
| Sizes | S, M, L | S, M, L |
| Warranty | 90 days | 90 days |
| Price (complete) | $135 | $149 |
| Replacement cushion | $49 | $54 |
Verdict
If your prescribed pressure stays at or below 25 cmH2O, the Simplus is the quieter, cheaper choice on paper. If you need pressures above 25 cmH2O, choose the Vitera.
Related: Simplus review, Vitera review, Evora Full vs Vitera.