3M Secure Click HF-800-02 inhalation and exhalation valve

Replacement part for 3M™ Secure Click™ HF-800 and HF-800SD half masks. It is easy to install and can extend the service life of respiratory protection equipment, enabling cost savings. The exhalation valve directs exhaled air and moisture downwards. The inhalation valve allows filtered air to pass into the respirator. Helps maintain the regulatory performance requirements of the respirator.