![PM2.5 Filter for Masks](http://hartzogs.com/cdn/shop/products/Filter_2_{width}x.jpg?v=1649441973)
Made from cotton, the adjustable ear straps mean a perfect fit every time. These masks are machine washable and feature a built-in filter pocket to hold PM2.5 filters. Comes with 1 replaceable PM2.5 filter.
The filter offers five layers to effectively block airborne contaminants. Five Layers of Filtering, including an Activated Carbon Filter Layer, two Anti-Stick Layers and two Standard Filter Layers