- Face Mask Protection Effect Tester
- Resistance to Microbial Penetration Tester (Nyob qhuav)
- Laboratory Microbial Air Monitoring System
- Mask Test Instrument
- Six-Stage Microorganism Sampler
- Mask Bfe Tester
- Airflow Pattern Visualizer
- Particle Loj Analyzer
- Ua tsis taus pa Tester
- Six-Stage Microorganism Sampling