Ambu SPUR II is the only resuscitator that is made from a SEBS material instead of PVC.The bag is highly responsive, with minimal mechanical resistance - some even says it's a natural extension of the hand.The Ambu SPUR II also features a unique shape that is small and easy to hold, yet provides optimum stroke volumes with just one hand.The Ambu SPUR II adult, pediatric and infant versions delivers one hand stroke volumes of 800 ml (1100 ml with two hands), 450 ml and 150 ml, respectively.