3M, #6300 Half Facepiece Reusable Respirator, Large

The 3M 6300 Large Half Facepiece Reusable Respirator from the 6000 Series provides reliable, lightweight respiratory protection with a soft thermoplastic elastomer facepiece for comfort. Its swept-back cartridge positioning improves balance and field of vision, while the cradle-style head harness with adjustable straps ensures a secure fit. Compatible with a wide range of 3M filters and cartridges, including particulate, gas, vapor, and supplied-air systems, this respirator is well-suited for construction, maintenance, manufacturing, and general industrial use.

Key Features:

• Soft thermoplastic elastomer body for comfort during extended wear
• Low-profile design enhances visibility and weight distribution
• Cradle head harness with adjustable straps for secure, custom fit
• Bayonet-style connection compatible with multiple 3M cartridge and filter series
• Reusable, easy to disassemble and clean
• NIOSH-approved for air-purifying and supplied-air applications

• Type: Half-face reusable respirator
• Size: Large (also available in small 6100 and medium 6200)
• Material: Thermoplastic elastomer facepiece with nylon harness
• Connection: 3M bayonet mount
• Compatible systems: 3M 2000, 5000, and 7000 Series filters; 6000 Series cartridges; powered air purifying systems; dual airline supplied air
• Certifications: NIOSH-approved, EN 140 compliant
• Weight: approximately 82 grams

• Select the appropriate filter or cartridge for the hazard and verify compatibility.
• Attach filters securely to the bayonet mount until they are fully seated.
• Perform a positive-pressure seal check by gently exhaling with the inlet blocked; no air should escape.
• Perform a negative-pressure seal check by inhaling with the inlet blocked; the mask should collapse slightly and hold.
• After each use, disassemble and clean the facepiece with mild soap and water; do not use solvents.
• Rinse condensation and allow the respirator to air dry before storage.
• Store the mask in a sealed bag or case to prevent contamination and deformation of the seal.
• Inspect regularly and replace the respirator if the seal, harness, or body is compromised.

Q: Can the 6300 be used with powered and supplied-air systems?
A: Yes, it is compatible with powered air purifying systems and dual airline supplied-air systems.

Q: Does the design affect visibility?
A: No, the swept-back cartridge design improves balance and keeps the field of view clear.

Q: Is the respirator reusable?
A: Yes, it can be disassembled, cleaned, and reused; only cartridges and filters require replacement.

Q: What protection level does it provide?
A: When configured correctly, it provides protection up to ten times the OSHA permissible exposure limit.

Q: Are other sizes available?
A: Yes, the 6000 Series is available in small (6100), medium (6200), and large (6300).