New dual flow cartridges and filters allow for easier breathing Protects against particulates Quick, simple connection. Simply align the connections and push until you hear a click Use with 3M™ Secure Click™ Reusable Respirators 800 Series Swept-back design allows an enhanced field of view and comfort Use for protection in hazardous environments 3M™ Secure Click™ Particulate Filter P3 R D3135 is our CE approved filter for environments containing certain particles. 3M™ Secure Click™ Particulate Filter P3 R D3135 is a lightweight filter that combines protection with comfort. Used in pairs, our filters offer low breathing resistance and good balance when connected to your mask and are designed to optimise your field of vision. They can be clicked into place quickly and easily and they can be used with 3M™ Secure Click™ Reusable Respirator.