ITEM££DESCRIPTION
SY0401XL
SY0402L
SY0403M
SY0404S
SY0501XL
SY0502L
SY0503M
SY0504S
FEATURES
¡ô Made of medical PVC .
¡ô Adjustable nose clip.
¡ô Six colors diluters£¬ the oxygen concentration is from 24£¥ to 50£¥
¡ô Available with anti-crush 7ft tubing .