Quick answer: Nidek Nuvo Lite 925 and Philips EverFlo are continuous-flow concentrators in the 5 LPM class. Choose between them by matching the written prescription to the exact model’s oxygen-concentration performance, alarms, sound, power and service requirements.
Manufacturer-published specifications
| Item | Nidek Nuvo Lite 925 | Philips EverFlo |
|---|---|---|
| Published flow range | 0.125–5 LPM continuous flow | 0.5–5 LPM continuous flow |
| Published oxygen concentration | Above 90% at 2 LPM; 87–95.5% at 5 LPM under stated conditions | Version-dependent published specification; one brochure states 93% ±3% at 5 LPM |
| Internal battery | No | No |
Sources: Nidek Nuvo Lite service manual and Philips EverFlo brochure. Specifications can differ by market and version; verify the supplied unit.
Questions before selection
- What continuous flow is prescribed for rest, sleep and activity?
- Does the exact unit meet its concentration specification at that flow?
- Which oxygen-concentration and power alarms are fitted?
- What sound level and room placement are practical?
- What backup plan applies during a power cut or device fault?
- Who provides service and replacement support?
Never choose or change flow from this comparison. The clinician sets therapy; the equipment provider verifies the device specification.
Relevant product pages
Consult current product pages or a written quotation for changing prices, deposits, delivery and other commercial terms.
This article compares equipment specifications and does not prescribe oxygen.