Random triples
| Subject | Object |
|---|---|
| gptkb:Chamberland-Pasteur_filter | viruses |
| gptkb:LifeStraw | viruses |
| gptkb:Ultraviolet_germicidal_irradiation_(UVGI) | particulates |
| gptkb:LifeStraw | chemicals |
| gptkb:LifeStraw | heavy metals |
| gptkb:Berkefeld_filter | dissolved chemicals |
| gptkb:Berkefeld_filter | viruses |
| gptkb:Ultraviolet_germicidal_irradiation_(UVGI) | chemical contaminants |