3M 6000 Series Half Face Mask Respirator Medium Grey. The 3M 6000 series half masks offer high levels of breathing protection, are reusable, and are designed for simplicity. Whether at work or play, the 3M range of personal safety products provide ultimate protection, exquisite comfort, and supreme safety. – Lightweight, (elastomeric) face piece. – Unique 3M Bayonet filter fixing system. – Cradle head harness and easy fasten neck strap. – Few replaceable parts for easy maintenance. – Utilises all of the 3M 2000, 5000 and 6000 Series Filters. – Twin filter design for even distribution of weight. – Minimal obstruction to field of vision