Aeration systems Ltd. holds an internationally recognised certificate for quality EN ISO 9001:2000 since December 2002 (certification number Q 021209).
Re-certification and transition towards EN ISO 9001:2008 was made in May 2009.
The membrane diffuser is patented with:
patent number 294 / 20.08.1999 – membrane diffuser DM-320
patent number 1226 / 27.11.2009 – membrane diffuser DM-320A