- Medical Mask Breath Test Machine
- Medical Mask Air Resistance Tester
- Emission Gas Analyzer
- In-Situ Type UV DOAS Method GAS Analyzer
- Basa nga Dry Microbial Penetration Testing Instrument
- Disposable Mask Viral Test Machine
- Kn95 Inhalation Resistance Tester
- UVDOAS Analysis Cell
- Kn95 Air Resistance Test
- Bfe Pfe Kn95