ENGINEERED FOR PERFORMANCEPerformance is everything. Our HM 1400's low resistance airflow system makes breathing easy, while its swept back filter position and lightweight construction combines into a low burden, highly optimised Half Mask.Better design, better protection.DESIGNED FOR COMFORTUsing anthropometric design and strategic material selection, we've built comfort into the design of our HM 1400 Half Mask. Our elastomeric oronasal is combined with three sizes of fit profile to create a secure, comfortable fit over extended usages.Better fit, better protection.ULTRA LOW BREATHING RESISTANCEThe breathing resistance of users' equipment can affect their performance and comfort. We've designed our Half Mask with a low burden airflow system, twin inhale valves and low pressure drop filters, to a create a system with ultra low breathing resistance.Breathe easily, without compromising protection.FULLY COMPATIBLEOur focus is on protection; for our Half Mask, this means integration with o