Hi there is no cheaper vacuum system available in the market for remove dustmites.
dustmites size 20 to 40 micron size .. No choice you have to invest few thousand $ for
remove dustmites .. I am selling rainbow system also same range but this system made in USA
and 8 years motor warrenty last 28 years we r in singapore selling this system..
if you want free demo and further discussion pls sent me your mail I'd .. I will call contact
you immediatly .. I have some option .. Thanks