Unique single-shutter valve system for reliable functionality. Integrated handle for user comfort and uniform compression. Thin-walled compression bag allows for lung compliance and "feel" SafeGrip™ surface for secure handling in stressful environments. Medication port permits quick medication delivery without disconnecting the Ambu SPUR II from the ET tube. The Ambu SPUR II adult, pediatric and infant versions delivers one hand stroke volumes of 800 ml (1100 ml with two hands), 450mL and 150mL, respectively. All Ambu SPUR II resuscitators come in individual, resealable plastic carrying bags, complete with one or more masks and any special accessories. The bags themselves are color-coded for fast identification of infant, pediatric, and adult sizes.