3M (TM) Cool Flow (TM) Exhalation Valve enhances comfort by reducing heat and moisture, and allows for easier breathing
Adjustable head harness assembly provides optimum fit and comfort with a three-size adjustable head cradle
Maintains its shape in high heat environments
NIOSH approved
Overmolded, low-profile design simplifies cleaning and maintenance with fewer parts and crevices, and provides a wide field of view
Provides comfort and stability with a soft but firm silicone faceseal
Resilient material extends product life
Valve cover design directs exhaled breath and moisture downwards, and facilitates a positive pressure seal check