Introducing 3M™ Versaflo™ Respirator Systems, a new and highly versatile range of respiratory headgear, breathing tubes and powered and supplied air purifying sources that offer a comprehensive, modular approach to worker protection. The intuitive design is lightweight for optimum comfort and ease of use, offering respiratory protection and flexibility for changing environments, needs and individuals’ comfort preferences. 3M OH&ESD, www.3M.com/Versaflo, (800) 328-1667. Circle 231