Buff Filter Tube | Graphite Heather The new Buff Filter Tube has been designed to cover your face and mouth. This buff is reusable, washable and fit for use all year round. Not only does the Buff Filter Tube tick all these practical boxes, but it is also an ethical and sustainable product being made from 95% recycled plastic bottle micro fibre. With an improved ergonomic shape it is super comfy! Better than any other buff on the market. Lightweight and stylish! It provides genuine protection Buff have integrated a three-layer filter system into the tube design.Features Designed for adults Ergonomic shape Breathable for all-day comfort Made from 95% recycled plastic bottles 5% Elastane Recyclable in a plastic bin Filters meet Bacterial Filtration Efficiency and Breathability (BFE) EN 14683:2019 standards for surgical masks. Filters are glue and latex-free. HeiQ V-Block antimicrobial treated pocket protects the pocket from microbes and germs. Comes with five replacement filters.