| ITEM＃ | DESCRIPTION | | SY0401 | XL | | SY0402 | L | | SY0403 | M | | SY0404 | S | | SY0501 | XL | | SY0502 | L | | SY0503 | M | | SY0504 | S |
FEATURES
◆ Made of medical PVC . ◆ Adjustable nose clip. ◆ Six colors diluters， the oxygen concentration is from 24％ to 50％ ◆ Available with anti-crush 7ft tubing . |
