Babyhaler Inhalation Chamber Volume 350ml is an inhalation chamber designed to facilitate the administration of certain medications to children.3 removable compartments reduce the velocity and size of particles, facilitating their deposition in the lungs and reducing the likelihood of them reaching the oropharyngeal area. Supplied with 2 valves (and 1 spare set), a #2 airtight mask and can be used with metered dose inhalers for infants and young children from 3 months to 5 years. CE marked.