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. 2020 Apr 13;21(3):484–489. doi: 10.5811/westjem.2020.4.47552

Table 5.

Oxygen equipment typically available.11

Oxygen generation systems Oxygen flow rate (L/min) Power required (kW) Cost of unit $1000 Oxygen purity (%)
Expeditionary deployable oxygen concentration system 120 8 131 93 ± 3
Portable therapeutic oxygen concentration system 45 7 40 93+
Portable oxygen generation system 33 12 35 93–95
Patient ventilation oxygen concentration system 20 4.3 35 93 ± 3
Home oxygen compressor 3 0.2 2.5 93 ± 3