- Kuyesa Kuchita Bwino kwa Bakiteriya Mask Mask
- Mayeso a Mask Pressure Difference
- Chipangizo Choyesera Chosefera Chigoba cha Zamankhwala
- Mase Bfe
- Sampler ya Bakiteriya Yoyandama Yokha
- Virus Sampling
- Zida Zoyezera Mask
- Ma VOC amtundu wapawiri komanso ma sampler a gasi wa flue
- UV mayamwidwe Ozone Analyzer
- Sampler yothandiza ya Microbial Air