Description: Replacing filters over time keeps the mask at top level performance. Breathing Fiber Cloth Replaceable Filter Provides Good Performance for Face Mask. Face shape design, suitable for running, cycling, hiking, skiing and other outdoor activities, it also can be used haze day protection and so on. One size fit most, easy on and off, stretchy and adjustable. Foldable design, easy carrying. Filters are washable. Specification: Material: Breathing Fiber Cloth Folded Size: One size fits all Package Includes: 1 Piece of Bike Mask Replaceable Filter
