Descriptions:
The Ambu Mark IV is available in two sizes: The Ambu Mark IV Adult is designed for manual ventilation of adults and children with a body weight of down to approximately 15 kg (3 years), and the Ambu Mark IV Baby for infants and children with a body weight of up to about 20 kg (4-5 years).
The Ambu Oval Plus Silicone resuscitator is a standard Ambu Oval Silicone Resuscitator, with a Mark IV inlet valve, designed for manual ventilation of neonates through to adults.
Specifications:
Additional detailed specification can be found in the datasheets.
(including reservoir and mask)