3M 6300 L respiratory protection

The 3M™ Reusable Half Mask 6300 is a large-size half-facepiece reusable respirator designed for extended use in industrial environments. This lightweight elastomeric half mask features a two-filter bayonet-style connection system compatible with a wide range of 3M particulate filters, gas/vapor cartridges, and combination filters from the 2000, 5000, and 6000 series.

Key Features

• Half-facepiece design covering nose and mouth with large-size fit (model 6300)
• Lightweight elastomeric facepiece in gray with adjustable head harness and cradle design for secure, comfortable wear
• Dual-filter configuration providing low breathing resistance and balanced weight distribution
• Bayonet connection system enabling quick attachment and removal of filters and cartridges
• Reusable and easy to maintain – fully disassemblable for cleaning and inspection
• Weight: approximately 355 g

Technical Specifications

• Protection level: Up to 10× permissible exposure limit (PEL) in negative-pressure mode when used with appropriate filters
• Compatible cartridges: 3M bayonet-style filters and cartridges
• Applications: Construction, manufacturing, maintenance, marine, mining, oil & gas, transportation, and industrial environments
• Suitable hazards: Particulates, gases, vapors (depends on filter selection)

Compliance

• EN 140:1998 certified – Half masks and quarter masks safety standard
• CE marked for EU use
• NIOSH compatible when paired with NIOSH-approved 3M filters and cartridges