AMDC4053 Mask Adult W/disposable One Way Valve Adult
- Valve Mask Combo. Triple channel air cushion design provides greater surface for maximum airseal and patient comfort. Facemask plastic housing remains rigid for greater durability in higher temperatures. See-thru design enhances patient monitoring. Standard 22mm supply and 6mm oxygen ports provide compatibility with most support equipment. The disposable one way valve prevents victim's exhaled air from returning into the rescuer's mouthpiece by directing it through exhaust ports.