3M™ 4251+ Reusable Respirator Half Mask - FFA1P2 R D COBPSF Operating time: Up to 11

Operating time: Up to 11 hours

IP55 dust and water resistant

Three user selectable flow rates

Built-in swivel prevents lifeline from twisting during use

For use with 3M™ Headtops

3M™ 4251+ Reusable Respirator Half Mask - FFA1P2 R D COBPSF Operating time: Up to 11A newly enhanced valve assembly helps to reduce exhalation breathing resistance for improved breathing comfort Lightweight, well balanced design Integrated filters mean its ready to use and maintenance free Soft, close fitting face seal made with textured, non allergenic material Adjustable head cradle and easy to fasten neck straps Centrally positioned exhalation valve helps reduce heat and moisture build up in hot and humid conditions Available in a