Simple Adjustable Venturi Mask

Short Description:

1. The star lumen tubing can ensure oxygen flow even if the tube is kinked, different length of the tubing is available.

2. Features 7 color-coded diluters: 24%(blue) 4L/min, 28%(yellow) 4L/min, 31%(white) 6L/min, 35%(green) 8L/min, 40%(pink) 8L/min, 50%(orange) 10L/min, 60%(red) 15L/min

3. Safe, simple delivery of variable oxygen concentrations.

4. The product can be transparent green and transparent white.