Highlights M-Series are specifically designed to work together with your 3M™ Versaflo™ Powered Air Respirator and 3M™ Supplied Air Respirator Systems Deflector allows users to direct the airflow inside the headtop to increase comfort Fully-adjustable suspension for customized fit and weight distribution Accessory options availalble for protection to help handle the environments you encounter Visor combines good peripheral and downward vision Specific headtops can be used with a range of 3M™ Peltor™ hearing protection as well as an attachable microphone for ease of communication