The Kröber O2 is a German-engineered home concentrator renowned for its exceptional durability and whisper-quiet performance. Delivering up to 6 LPM of continuous flow, it combines robust clinical power with a user-friendly interface, making it one of the most reliable choices for long-term home therapy available today. 6 LPM Continuous Flow – Robust oxygen delivery to accommodate a wide range of therapeutic needs. Whisper-Quiet Operation – One of the quietest stationary units on the market, operating at just 35 dBA. German Engineering – Built with high-quality components to ensure a long service life and maximum reliability. Intuitive Control Panel – Features a large, clear display and simple buttons for effortless daily operation. Advanced Safety Sensors – Constantly monitors oxygen purity and flow to guarantee effective clinical treatment. The Kröber O2 is the gold standard for patients seeking a silent, reliable, and high-performance home oxygen solution.