The 3M P100 is a must have for any respiratory protection user, it will protect against particles and vapors while also being easy to install and identify. This pack of 10 filters are perfect for anyone who wants to ensure their safety while working with a 3M reusable respirator with bayonet attachments. The unique filter cover is specifically designed to make the filter easy to identify while also protecting it from touching dirty surfaces, making it the perfect addition to any respirator.