Comfort: Cup shape. Exhalation valve for lighter breathing resistance. Adjustable nose clip for optimized fit. Whole around “O” ring face joint for maximal comfort. Wide adjustable elastic bands. CE-CAT III Dolomite optional clogging test (D) to provide more comfortable breathing and longer lasting performance of filtration Large inner space to help the user to breathe more easily High performance exhalation valve to reduce heat and provide comfort when used in hot and humid conditions Adjustable strap fastening for flexible sizing Ideal for all day use Retail box which aids presentation for retail sales
