For use with the 3M Versaflo powered respirator, this M-307 face shield adds protection for the eyes, face and head to your respiratory protection. It features a coated polycarbonate visor for resistance to chemicals and scratches, Plus a fully adjustable head harness so you can find the perfect fit. Meanwhile, its flame-resistant face seal is ideally suited for applications dealing with hot particles such as smelting and metalwork. Attach this headtop to your 3M Versaflo device via a breathing tube and select the necessary filters for your application.