Optimize your respiratory protection with the 3M™ Head Harness 6897/37005(AAD), a genuine 3M replacement part designed for seamless integration with 3M Full Facepieces 6000 Series (sold separately). This essential component ensures a secure and comfortable fit, holding the facepiece firmly against your face for maximum effectiveness. By replacing a worn or damaged head harness, you can extend the service life of your valuable respiratory equipment, potentially leading to significant cost savings. This head harness is specifically designed as a replacement for 3M™ Full Facepieces 6700, 6800, and 6900 (07138, 07139, 07140 AAD). Trust 3M for reliable replacement parts that maintain the integrity and performance of your safety gear. Replacement head harness assemblies can be fitted by a trained user or a service center, ensuring proper maintenance and user safety.