The 3M 4000 Series is a half‑mask respirator designed to protect against a range of organic vapours, ammonia, inorganic and acid gases, and particulates. It features twin inhalation valves, colour‑coded filters, and an ergonomic head‑cradle for comfortable, secure wear.
The manual covers typical industry applications, key product features, field‑trial results, performance specifications, correct fitting procedures, and guidance on maintenance, disposal, and regulatory compliance.
| Protection against ammonia | up to 10 × OEL or 1000 ppm (whichever is lower) |
|---|---|
| Compliance standard | H.S.E. Approved Standard EN205 |
| Filter identification | Colour‑coded valves (e.g., Brown/white, Green/white) |
No, it must not be used in immediately dangerous to life or health (IDLH) concentrations.