6897 Headband 6700/6800/6900 respirator mask replace Strap Four fixed firm durable rubber Headband Name: 6897 headband6800Series mask to replace the headband Quantity: 1PCS / bag Shelf life: 5 years Product Certification: LA certification Niosh certification Features: material rubber tear resistant wear-resistant.Suitable for long-term wear. Light weight balanced design enhance product comfort and durability. Four-point fixed design stable and solid. cut fine Easy to install. 6897 is 6700 6800 6900 full with special replacement parts. Mainly installed in the back of the mask the mask is fixed in the head of the elastic band when the mask headband due to prolonged use or other reasons can not be worn no need to replace the full mask just replace the headband can save significant cost .. includes: