3M 6895 6800 Full Face Mask Breathing Seal Features: 3M™ 6000 Series and 7000 Series Full Face Respirators breathing seal recommended for 3M Full Face Parts 6700, 6800, 6900 (07138, 07139, 07140 AAD). This spare part can extend the service life of breathing apparatus equipment. Compatible Products: 3M 6700, 6800, 6900 Full Face Masks