3M 7000029677 Facepiece Head Harness Plastic 5 Pack

Product Description

The 3M 7000029677 is a plastic facepiece head harness designed as a direct replacement part for compatible 3M half mask respirators. The harness secures the facepiece to the wearer's head during use, maintaining a consistent seal and fit throughout the workday. Sold in a pack of 5, this part is intended for maintenance-level replacement when the original harness shows wear, loss of elasticity, or physical damage. Industrial hygienists, safety coordinators, and trained technicians performing respirator maintenance will find this a straightforward drop-in service component.

This head harness is suited for industrial and occupational environments where 3M half mask facepieces are part of an established respiratory protection program. Typical applications include facilities maintenance, chemical handling, painting operations, and construction trades that require regular respirator upkeep. The pack quantity of 5 supports shop stock or multi-user programs where periodic harness replacement is part of a scheduled maintenance interval.

Key Features

• Plastic construction for durability and resistance to deformation during routine use
• Designed as an OEM-style replacement for 3M half mask facepieces
• Pack of 5 units supports inventory stocking and multi-respirator programs
• Replaces worn, stretched, or damaged head harnesses without replacing the full facepiece

Compatibility

Compatible with 3M half mask facepieces as stated by the manufacturer. Verify fitment against the specific facepiece model before installation.

Installation Notes

Head harness replacement should be performed by a qualified person following the respirator manufacturer's written maintenance instructions. Remove the facepiece from service before replacing the harness. After installation, a positive and negative pressure user seal check must be performed before returning the respirator to service, in accordance with OSHA 29 CFR 1910.134 and the site respiratory protection program.