# HEPA filter

> air filter

**Wikidata**: [Q948441](https://www.wikidata.org/wiki/Q948441)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HEPA)  
**Source**: https://4ort.xyz/entity/hepa-filter


## References

1. Freebase Data Dumps. 2013
2. [Source](https://web.archive.org/web/19961231021841/http://www.cdc.gov/niosh/2micron.html)
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)