- N95 Lim Test tshuab
- Pov tseg Mask Resistance Test
- Ambient huab cua sampler
- Floating Microbe Sampling
- Kev Kho Mob Cua Flow Resistance Tester
- Cov cuab yeej siv tshuaj tua kab mob
- Kev sim ntawm biosafety txee
- Air Sampler rau Microbiological Monitoring
- UV spectrophotometer
- Face Mask Bacterial Filtration Efficiency Tester