Adult resuscitator 1500ml with 60cm H2O pop-off valve and 550ml with 40cm H2O pop-off valve for the child size resuscitator. Two mask, two guedel airways and a see through carry case with instructions. Autoclavable up to 134ºC Made by Liberty Medical, the Silicone Reusable Resuscitators Set includes an adult resuscitator. The adult resuscitator comes a 1500ml and 60cm H2O pop-off valve. The child resuscitator is 550ml and features a 40cm valve. The Silicone Reusable Resuscitators Set has the quality you'd expert from Liberty Medical. The kit comes with everything you need for ventilation of a patient, whether they are an adult or child. Silicon features textured grip Masks (2), guedal airways (2) Carrying case Equipment can be sanitized via autoclave