Ergonet supports the mask structure and keeps the filter media clean, Soft nose bridge for a secure and comfortable fit, 100% metal free, Foam padding around the nose bridge for additional comfort, High performance exhalation valve to reduce heat and provide comfort when used in hot and humid conditions, 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
