The 3M Exhalation Valve Filter 604 is designed to mount on the valve cover of the 3M Reusable Respirator Half Facepiece 6000 Series. The Exhalation Valve Filter is...
3M Secure Click Exhalation Valve Cover Assembly is a replacement part for use with the 3M Secure Click Full Facepiece Reusable Respirator, FF-800 series.