Internal foam gasket ensures a tight face seal, High performance exhalation valve to reduce heat and provide comfort when used in hot and humid conditions, Ultrasonic welded head straps, Adjustable nose bar for improved fit and reduced fogging of glasses, Adjustable strap fastening for flexible sizing, Ideal for all day use, Dolomite optional clogging test (D) to provide more comfortable breathing and longer lasting filtration performance, Retail box which aids presentation for retail sales, CE certified
