50/Cs (Yellow) is a venturi-style adaptor that allows oxygen concentrations from 28% to 98%. (Blue) is a venturi-style adaptor that allows oxygen concentrations from 33% to 98%. #031-28-50/Cs Yellow #031-33-50/Cs Blue Contains Latex UNSPSC#42271800
50/Cs (Yellow) is a venturi-style adaptor that allows oxygen concentrations from 28% to 98%. (Blue) is a venturi-style adaptor that allows oxygen concentrations from 33% to 98%. #031-28-50/Cs Yellow #031-33-50/Cs Blue Contains Latex UNSPSC#42271800