This mask helps everyone get outside and enjoy life without having to worry about the air they breathe or the way they look. To complement the powerful PRO masks, the Basic range is created to allow even more people to gain access to clean air. It uses a unique lab-tested British Military Filtration Technology that filters almost 100% of pollution, gases, and bacteria and germs. It is Ideal for people at risk of respiratory diseases. It gives protection against harmful gases, odours, all PM; PM2.5, PM0.3, pollen, smoke, allergens and pathogens. It is the most trusted reusable anti-pollution mask in the world now available with adjustable straps.