3M™ Exhalation Valve Filter 604

Description

• Designed to help filter exhaled breath of respirator wearer Provides source control when worn with reusable respirator half facepiece 6000 series Easily installed and removed Users can conduct a positive pressure seal check while installed Hard case can be wiped with disinfecting wipes Notes: Users should replace the exhalation valve filter if damaged, filter media becomes soiled, or if breathing becomes difficult NIOSH approved accessory only for use with 3M™ 6000 Series half facepiece respirators with 3M™ particulate filters 7093, 2091 or 5N11/501/603 Not FDA cleared for use as a medical device for use in surgical applications