In the Journal of Cystic Fibrosis 15 (2016) 4-5, “The importance of the mundane – Nebuliser care and hygiene”‘ is discussed.
Pari has a clear directive when it comes to cleaning their nebulisers.
We have posted these on our Facebook pages in the past and are also available on our website at http://www.pulmomed.com.au/frequently-asked-questions/cleaning-hygiene/ 
To see information on cleaning and disinfecting your Pari jet nebuliser or  eFlow Rapid see here