Philips EverFlo Home Oxygen Device

New, never used. Price is negotiable. Contact through the website. Technical Specifications Oxygen flow rate: 0.5 to 5 liters/minute (adjustable). Oxygen purity: 93% ± 3% at full flow. Weight: approximately 14 kg (lightweight compared to other devices). Dimensions: approximately 58 cm × 38 cm × 24 cm. Noise level: less than 45 decibels (relatively quiet). Power consumption: about 350 watts (energy efficient). Operation: electric only (does not run on battery). Humidification system: can be connected to an optional humidifier water bottle. Continuous operation: designed for 24-hour daily use.