Percent O2 Lock Air Entrainment w/7' Tubing Sold By:Case of 50 2 Oz from FirstOptionMedical

2 Oz from FirstOptionMedical

There's no draining or uncomfortable clip to worry about

Soft cloth on back and front

this cast padding provides comfort and protection

Percent O2 Lock Air Entrainment w/7' Tubing Sold By:Case of 50 2 Oz from FirstOptionMedicalSalter Labs Percent O2 Lock Air Entrainment System, with 7Ft Oxygen Supply Tube and Humidity Cup Without MaskA transparent, air entrainment, elongated mask with soft anatomical under the chin shape. A rotating sleeve air entrainment valve allows you to dial in seven different oxygen concentrations: 24, 26, 28, 31, 35, 40 or 50%. Aluminum nose clip aids in a positive fit for appropriate oxygen % delivery. Over the ear or elastic head strap styles.