The GREATDIO N95 Particulate Respirator features five layers of premium filtering materials that are both breathable and comfortable, allowing you to wear your mask for extended periods of time.ISO-approved, Pandemic’s Indian-made N95 face mask is government approved by the National Institute for Occupational Safety and Health (NIOSH) as an N95 class respirator and is specially made for use at workplace, super market, schools, offices, shopping, airport, home-improvement, etc. NIOSH certification means the respirator has passed stringent government performance standards including filtration efficiency testing and provides at least 95% filtration efficiency solid and liquid particles that do not contain oil. N95 mask is designed to fit tightly, creating a good seal between your face and the respirator when worn correctly.N95 face mask is fitted with soft elastic head loops that help to fit different human faces which eliminate pressure for comfortable experience and facilitates easy and simple breathing by keeping dust and debris out. The face mask is provided with adjustable nose bridge clip for a secure fit and better protection. N95 masks join tightly to the face, avoids unfiltered air directly entering into. When used properly the mask provides a ≥ 95% filter efficiency and effectively protects respiratory health. The N95 masks can be folded into your bag, easy to incorporate and keep clean.Protect yourself, family, and friends with effective N95 masks that adhere to facial covering guidelines standards. Use the mask within 5 years from the date of manufacture and store in temperatures between -4°F (-20°C) and +86°F (+30°C)