Answer
Mar 23, 2022 - 11:05 AM
033 Adaptor (Blue) • Quiet venturi-style adaptor allows the selection of oxygen concentration from 33% to 98%
028 Adaptor (Yellow) • Venturi-style adaptor allows the selection of oxygen concentrations from 28% to 98%
028 Adaptor (Yellow) • Venturi-style adaptor allows the selection of oxygen concentrations from 28% to 98%