ISO/IEC 30118-5:2021
[Current]
Information technology — Open Connectivity Foundation (OCF) Specification — Part 5: OCF device specification
...Additionally, specific Resources that use
enumeration values to indicate supported states or modes may mandate usage of standardized
enumeration values...
...usable filter
material; such as water filters, air
filters, dust filters etc...
...Many of the target usages are for personal health or fitness, although clinical use cases can
be realized with similar modelling...
