Comfort: Cup shape. Exhalation valve for lighter breathing resistance. Adjustable nose clip for optimised fit. Whole around "O" ring face joint for maximal comfort. Wide elastic bands. Adjustable straps. Retail box. Ideal for all day use. High performance exhalation valve. CE-CAT III. Large inner space. Comfort: Cup shape Exhalation valve for lighter breathing resistance Adjustable nose clip for optimised fit Whole around "O" ring face joint for maximal comfort Wide elastic bands
