When it comes to quality, durability and performance, the Lifesaver CPR Mask is the 1st responders choice. The mask features a replaceable one-way non-rebreathing valve with a biological filter. The Lifesaver CPR Mask has a clear, odorless dome for patient monitoring. The soft, flexible mask conforms easily to the faces of adults, children and infants and remains pliable even in extreme temperatures. The Lifesave™ CPR Mask requires no assembly and instantly opens to a ready position. It also comes with an oxygen inlet valve, head strap and water resistant hard plastic case. EMI now offers the Lifesaver CPR Mask in two different styles.