3M Half mask 4255 A2P3

The 3M Half mask 4000 series is a ready-to-use, maintenance-free half mask designed to provide effective and comfortable protection against organic vapours and particulate matter.

It provides protection from organic vapours, up to 10 times the maximum allowable threshold value (TLV) or 5,000 parts per million (ppm), where the lowest value is always selected, and 50 times the TLV for particulate matter.

• Unique filter technology
• Disposable
• The filters cannot be replaced
• Does not obstruct vision
• Adjustable neck strap

Suitable for use with organic vapors and particulates such as solvents of paint, varnishes, adhesives and pesticides

• Soft, textured face covering ensures that the mask sits comfortably.
• Lightweight and well-balanced for comfort during extended use.
• Inhalation valves along both sides and large multilayer carbon filters to reduce breathing resistance, along with a low-resistance parabolic exhalation valve to prevent heat build up.
• The low profile provides a broad vision field and compatibility with 3M™ eye protection.

• Face mask: Thermoplastic elastomer
• Head harness: Polypropylene
• Head band: Polypropylene/cotton
• Inhalation valve: Polyisoprene
• Exhalation valve: Silicon rubber
• Filter housing: Activated carbon
• Dust particles filter: Polypropylene

This mask does not supply oxygen. Do not use in an environment with less than 19.5% oxygen.