EGK KN9501 - 5 Layer, KN95 Respirator Mask with Respirator (Pack of 6) - EGK KN95 respirator is washable, breathable and light in weight. It has high elastic ear loops that can fit all type of users. KN95 Respirator mask has about 95% of filtration efficiency. It has high-quality filter media that helps in blocking 95% of even tiny test particles. The 5 layers of the mask have an enhanced multi-layered filtration technique. It is comfortable and easy to wear the 5 layer mask. It is silicon and latex-free mask with polyester inner and outer shells. The head straps are ultrasonically bonded to the mask without using any staples. The adjustable aluminium nose clip provides a better fit and thus improves comfort.