中文 
English 
Simple Adjustable Venturi Mask
- The star lumen tubing can ensure oxygen flow even if the tube is kinked, different length of the tubing is available.
- Features 7 color-coded diluters: 24%(dark blue) 4L/min, 28%(white) 4L/min, 31%(orange) 6L/min, 35%(yellow) 8L/min, 40%(red) 8L/min, 50%(dark pink) 10L/min, 60%(green) 15L/min.
- Safe, simple delivery of variable oxygen concentrations.
- The product can be transparent green and transparent white.
New
