Protect yourself from a variety of gas, vapor and particulate hazards. Full facepiece features a large, clear lens, giving you a wide field of vision and excellent overall visibility. Unique center adapter directs exhaled breath downward, effectively reducing liquid and debris buildup. Cool Flow™ valve helps keep you cool and comfortable. Multifunctional design provides three settings: air purifying respirator (APR), supplied air respirator (SA) and powered air purifying respirator (PAPR).