Air Cushion Anesthesia Masks with Valve are single use and available in a variety of sizes from neonates to adults. The high quality air cushion masks are used for resuscitation, anesthesia, and oxygen delivery applications. The soft cushioned face mask provides superior patient comfort and effective seal. The built-in front check valve allows easy adjustment of cushion air volume. ME6150 - ME6155 Air Cushion Face Masks with Valve come with color coded hook ring for size identification. BVM Masks with Valve are not made with natural rubber latex.