By: Sunil Kumar Jha Respiratory protection has gained significant headlines over the past few years, largely due to the onslaught of the COVID-19 pandemic. Prominently, disposable masks became trendier during the pandemic, prompting companies to augment their production capacity. The prevalence of infectious and deadly diseases, such as the Ebola virus and COVID-19, has spurred the use of Respiratory Protective Equipment (RPE).