Медицинская назальная кислородная канюля с Oem одноразовой канюли типы кислородной

1) Made of non toxic PVC

2) Sizes: adult, children, infant

3) Colors: light green, light blue and transparent

4) Inside wall: plane or ribbed (reinforced, not easy folded)

5) Slippery surface

6) Easy operation, non-irritating

7) Sterile: by EO GAS