To help you stay productive and protected, this Pro Multipurpose Respirator with Quick Latch features a convenient quick latch and proprietary 3M Cool Flow Valve technology for cool comfort. It is designed for workplace/occupational applications only. Use for certain mold, lead and sprays from coatings and sealants. Convenient Quick Latch allows easy on/off in noncontaminated environments. Proprietary Cool Flow Valve helps reduce heat and moisture inside the respirator. Soft silicone facepiece allows enhanced comfort. Dual-cartridge respirator includes an exhalation valve, reusable half facepiece and OV/AG/P100 NIOSH Filter Approval Rating. It measures 10\" wide x 5-1/2\" long x 9-3/5\" high (25.4cm x 13.97cm x 24.384cm).