Workplace/Occupational applications only for certain mold， lead and sprays from coatings and sealants. Quick Latch feature allows the face piece to drop to the c. hest without removing the head harness or hard hat. Performance tested to AS/NZS 1716. With a convenient quick latch and proprietary 3M Cool Flow Valve technology for cool comfort， the Pro Multi-Purpose Respirator with Quick Latch helps you stay productive and protected. So you can keep your cool on the job. Part of the 3M Pro Series Safety Products line that was designed for the way pros think， the way they shop and the way they work.