Assertion: filter | /r/HasProperty | tested
Facets:
value: by feeding test dust
type: MANNER
Source sentences:
text: A HEPA (high efficiency particulate air) filter is an air filter that has been tested and found to comply with a specific U.S. military standard.
text: Most IVC filters that have been tested have been labeled as “MRi safe
text: The filter is then tested by feeding test dust at a nominal rate of 9.8 grams per minute with a constant airflow of 350 CFM.