ISO International Standard

ISO 27407:2010 specifies a means of marking filters to communicate filter performance characteristics of interest to users. This marking can be used with either the standards referenced in ISO 27407:2010 or with any standard that has been harmonized with any referenced standard. ISO 27407:2010 applies to the marking of information only on the filter; the customer can request that the same information be specified on the product drawing or as part of the product packaging.