Venturi Mask with 6 Diluters

- Made of medical grade PVC, Clear or Green.
- With 6 diluters for different oxygen concentraition: Blue 24%, Yellow 28%, White 31%, Green 35%, Pink 40%, Orange 50%
- Locking ring secures flow setting.
- Includes adaptor for high humidity entrainment.
- Adjustable nose clip assures comfortable fit.
- Complete with 7-ft. oxygen supply tubing.