Venturi Multi Concentration Oxygen Adult Mask

Supplied with Tubing.
Single patient use.
Supplied with user instructions.
Single Mask with 5 interchangeable Venturi Valves.
Uses flow rates of 2, 4, 8, 10 & 15 litres per minute.
Providing concentrations of 24, 28, 35, 40, & 60% Oxygen.
Transparent mask allows visual confirmation of skin colour.