Made of high resistance, hypoallergenic, soft polypropylene microfibre with added antibacterial/anti-odour agents, it can be washed at 60 degC and sanitized with disinfectant. The 3-layer internal filter in TNT and waterproof membrane can be washed at 140 degF up to 5 times and is easily replaced. Includes 15 replacement filters. Usage: wash hands and insert the filter on the smallest hole in the front compartment. It is suggested to change and wash the filter after an effective use of 8 hours. ATTENTION: It is NOT a medical device and it not an individual protection device. This mask does not guarantee protection of the respiratory tract and it cannot be used when the use of a medical device or individual protection device is prescribed. If experienced breathing difficulties remove the mask. | BerettaUSA | Corporate Mask in Blue Navy/Gray, Polypropylene Microfibre/Waterproof