A major cause of respirator leakage is due to poor fit.
Attaining an exceptionally high pass rate using both the Qualitative and the Quantitative Fit Testing methods, the Custom-Fit FFP3 Easimask respirator combines leading face-seal technology and ergonomic pre-formed design to provide an exceptionally comfortable fit, every time. Exceptional
Comfort | Exceptional Pass | Exceptional Fit
In the UK, it is a legal requirement that any employee needing to wear a tight-fitting respirator be Face Fit Tested before first wearing one in the workplace.