The 3M 6000 Series Prefilters are designed to be used with respirator cartridges, providing an additional layer of protection against particulates. This box contains 10 prefilters, ensuring you have an ample supply for your respiratory protection needs. These prefilters are compatible with the 3M 6000 series respirator cartridges, enhancing the efficiency and lifespan of your respiratory equipment by capturing particles before they reach the main filter. Ideal for various environments, these prefilters are a crucial component for maintaining a safe and healthy breathing atmosphere.