Ensure optimal performance and longevity of your 3M™ Half Facepiece Respirator 6000 Series with the genuine 3M™ Exhalation Valve 6889/07143(AAD). This essential replacement part, conveniently packaged as 10 per bag, is designed to maintain the original service performance of your respirator. By replacing damaged or worn exhalation valves with this high-quality part, you can extend the service life of your facepiece, potentially leading to significant cost savings on respiratory equipment. Keep your 3M™ Reusable Respirator in top condition and ready for use with these easy-to-fit exhalation valve assemblies. Perfect for industrial and professional applications requiring reliable respiratory protection.