The design of the Portex 1st Response pediatric and infant manual resuscitators helps enhance performance. Composed of lightweight clear materials, its easy to see and monitor bag performance without losing sight of your patient. The low (<7 mL) dead-space patient valve assembly, pressure limiting valve (PLV), and manometer port with tethered caps gives you the flexibility you demand and features you require to provide the best care for your patients. Portex 1st Response pediatric and infant manual resuscitators include: - Pressure Limiting Valve (PLV) and manometer port with tethered caps - Low dead-space patient valve with integral swivel connector