High Efficiency Particulate Air
                        
                            GPTKB entity
                        
                    
                Statements (33)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:air_filter | 
| gptkbp:abbreviation | gptkb:HEPA | 
| gptkbp:category | mechanical air filter | 
| gptkbp:developedBy | gptkb:Manhattan_Project | 
| gptkbp:inventedBy | 1940s | 
| gptkbp:material | synthetic fibers fiberglass | 
| gptkbp:minimum_efficiency | 99.97% | 
| gptkbp:notEffectiveAgainst | gases odors | 
| gptkbp:regulates | gptkb:ASHRAE gptkb:EN_1822 gptkb:ISO_29463 | 
| gptkbp:removes | gptkb:tobacco gptkb:Bacteria gptkb:mold dust viruses pollen pet dander airborne particles | 
| gptkbp:removes_particles_size | 0.3 microns | 
| gptkbp:requires | regular replacement | 
| gptkbp:standardizedBy | gptkb:U.S._Department_of_Energy | 
| gptkbp:used_in | hospitals air purifiers vacuum cleaners clean rooms airplanes | 
| gptkbp:usedFor | removing airborne particles | 
| gptkbp:bfsParent | gptkb:HEPA | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | High Efficiency Particulate Air |