- Ambient air O3 Analyzer
- 2.83L/min Sebali sa Karolo
- Methati e Tšeletseng ea Microorganism Sampler
- Sefahleho sa Mask Air Resistance Tester
- Airborne Particle Counter
- Teko ea ho Filtration ea Mask
- Teko ea Mask Exhalation Resistance
- Mohlala oa Plankton
- Teko ea ho hanyetsa Mask ea sefahleho
- Lab Bacterium Count Instrument