Features of Allied Healthcare Non Rebreather Mask: •Â Barbed fittings to prevent patient disconnect. •Â Reservoir bag with check valve, one safety vent open, 7' tubing, elastic strap, adjustable noseclip. • Clear soft vinyl construction and cotton coated strap provides patient comfort and accurate airway assessment and management. • Newly designed softer tubing connector for easier fit. • Strap ends secured to prevent mask separation. • Packaged in easy-open perforated bags.