Beeswift 3M D3135 Secure Click P3 R FilterThe 3M Secure Click P3 R D3135 Particulate Filter provides high level protection against hazardous particles in the workplace. CE approved for safety and reliability, it is designed for comfort, ease of use, and extended wear. Key Features: Dual flow cartridge design: Allows easier breathing and improved comfort. Protection: Guards against particulates in hazardous environments. Quick Secure Click connection: Align and push until you hear a click for