The 3M™ Versaflo™ M-307 Hard Hat Assembly is an advanced, integrated headgear solution engineered to provide respiratory, head, and eye protection for workers in demanding industrial environments. Designed for use with an approved air source, this assembly combines a premium visor, flame-resistant face seal, and ANSI-certified hard hat shell into one lightweight, comfortable system.

Ideal for industries such as general manufacturing, transportation, and metal finishing, the M-307 offers a secure fit, compatibility with a wide range of 3M™ PAPR and SAR systems, and excellent peripheral and downward visibility to enhance worker performance.

This assembly includes the 3M™ Versaflo™ Premium Visor M-927—crafted from coated polycarbonate for impact resistance—and the 3M™ Versaflo™ Flame Resistant Face Seal M-937, made of flame-resistant polyester. Together, these components provide enhanced user protection and long-wear comfort in work environments with exposure to dust, debris, and welding particulates.

Key Features

Integrated respiratory, head, and eye protection – Compatible with approved 3M™ air sources.
Premium visor (M-927) – Made of coated polycarbonate for excellent clarity and impact protection.
Flame-resistant face seal (M-937) – Made of FR polyester, ideal for high-particulate or metal applications.
Assigned Protection Factor (APF) of 25 – When used with approved PAPR or SAR systems.
ANSI Z89.1 Type I, Class G certified hard hat – Delivers limited head protection in industrial environments.
ANSI Z87.1-2010 compliant – Meets impact and eye protection standards.
Good peripheral and downward vision – Designed for better situational awareness and user visibility.
Compatible with 3M™ Peltor™ hearing protection and attachable communication microphones – For seamless integration in noisy or team-based settings.

Intended Use

The 3M™ Versaflo™ M-307 Assembly is designed for professionals working in contaminant-rich environments where simultaneous respiratory, eye, and head protection is required. Ideal for:

Welding, painting, and surface preparation
Composite finishing & metal repair
Assembly & mechanical work
Dusty or silica-heavy environments
Spray painting and final finishing applications

Product Specifications

Product Name: 3M™ Versaflo™ M-307 Hard Hat Assembly
Model Number: M-307
Headgear Type: Hard hat with face shield and visor
Visor Type: Clear coated polycarbonate
Face Seal Material: Flame-resistant polyester
Protection Factor: APF 25 (when paired with compatible air source)
Respirator Style: Supplied air – low-pressure portable ambient air pump
CFM Requirements: 50–100 CFM
Valve Type: Air regulating, cooling/heating, low-pressure valve compatible
Flame Resistance (ASTM D2859-96): No (visor shell only)
Recommended Applications: Painting, welding, metal repair, mechanical assembly
Material: Polycarbonate (visor), FR polyester (face seal)

Compatible Systems:

Versaflo™ M-Series accessories
3M™ PAPR and SAR systems
Versaflo™ AP-600 Portable Panels
W-Series Fixed Panels
MST portable and fixed panels

Certifications & Standards

ANSI Z89.1-2003 Type I, Class G – Head protection against top impacts and electrical hazards (low voltage)
ANSI Z87.1-2010 – Impact-rated visor for eye protection