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...
Exhalation valve assembly includes mounting seat and 3M Cool Flow Valve for use with 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, 402 and 403.