Which SCSR model provides the longest duration of oxygen supply?

The SCSR model known for providing the longest duration of oxygen supply is the SCSR 6.5. This model is designed to deliver breathable oxygen for extended periods, making it highly suitable for situations that require prolonged escape routes, such as in coal mines or other hazardous environments.

The SCSR 6.5 features an oxygen supply system that allows for a longer usage time compared to other models. This extended duration is critical in scenarios where safe exit paths may not be immediately accessible, providing individuals with the necessary time to navigate their way to safety.

In comparison, other models typically offer shorter durations of oxygen supply, making them less advantageous in situations where extended escape time is essential. The SCSR 100, M-20, and Dragger may be equipped with different features or shorter operational times, which limits their effectiveness for prolonged escape scenarios. The ability of the SCSR 6.5 to sustain oxygen flow over a longer period can be a decisive factor for safety in emergency situations.