Description Buff mask filters provide filtration efficiency of 98% and provide the standard of the surgical mask: EN14683: 2019 Type I and II. The 3-layer filter system consists of one layer of nano-fiber (made of melt-blown fabric) and two layers of waterproof material. Filters produced in Germany by: Ahlstrom-Munksjö. Packed in a Clean Room. The filter can be used for one day and is not reusable. Shelf life varies with use and the environment. The product is intended for use with the BUFF FILTER MASK. PACKAGE Replaceable filters are sold in packs of 30. Each filter is inside a sealed package. The package contains: 30 replacement filters Manual user instructions WARNING! For safety reasons, it is not possible to return filters.
