- stack gas tester
- I-Mask Tester
- I-Nox Sox CO2 Co O2 I-UV Gas Analyzer
- Isihloli Semaski Sokuhlunga Amagciwane
- Idivayisi Yokuhlola I-Mask Breath Elahlwayo
- Iseli Lokuhlaziya le-UVDOAS
- Isihloli Sokusebenza Kokuhlunga Kwemaski
- Ukuhlolwa Kokuhlunga Kwebhaktheriya kwe-Kn95
- Amasampula Omoya Wezinyathelo Eziyisithupha
- I-Medical Mask Viral Filtration Tester