What it is: 3M 6897 Head Harness /37005(AAD), 5 EA/Case is a replacement part/accessory intended for construction and industrial respiratory protection programs. Best for: Maintaining and supporting respiratory PPE systems for jobsite and industrial use. Ideal for keeping your PPE inventory jobsite-ready. Not for: Not for use in oxygen-deficient atmospheres. Always follow NIOSH/OSHA guidance, manufacturer instructions, and your written respiratory protection program. Key details: Type: Replacement Part/Accessory Use type: Accessory Sold as: Case of 5 Key features: Replacement or accessory component for respiratory PPE systems. Frequently Asked Questions Q: How is this item sold?A: Sold as a case of 5 units. Q: How do I confirm compatibility?A: Match the exact respirator model/series and follow the manufacturers documentation before ordering or using. Why buy from Beeline Purchasing: Jobsite-ready PPE sourcing and fast reorder support Bulk pricing and dependable fulfillment for crews Trusted distributor focused on safety and compliance