3M DT-4045E A2B2K2P3R
Respiratory protection
Description
Overview
The 3M™ DT-4045E CF32 ABEK2P3 R D is a high-performance combination gas and particulate filter designed for reusable half-face and full-face respirators, as well as certain powered air respirators with DIN40 (RD40) threaded connections.
Protection Levels
This filter provides comprehensive protection across multiple hazard categories:
- A2 – Organic gases and vapours with boiling point > 65 °C (solvents, toluene, xylene)
- B2 – Inorganic gases and vapours (chlorine, hydrogen sulphide, hydrogen cyanide)
- E2 – Acid gases and vapours (sulphur dioxide, hydrogen chloride)
- K2 – Ammonia and organic ammonia derivatives
- P3 R D – Solid and liquid particles including toxic and radioactive substances, microorganisms (bacteria, viruses, enzymes); reusable (R) and Dolomite dust-tested (D)
Technical Specifications
- Filter Type: CF32 combination gas & particulate filter
- Connection: DIN40 threaded (EN 148-1 compliant, RD40 compatible)
- Weight: Approximately 377 g
- Dimensions: ~105 mm height × ~110 mm diameter
- Volume: ~320 ml
- Housing Material: Reinforced polypropylene
- Filtration Media: Micro glass fibre
- Particulate Efficiency: >99.95% for P3 rating
- Shelf Life: 5 years in original sealed packaging
- Storage Conditions: -10 °C to +50 °C, <75% relative humidity
Compliance & Standards
The filter meets EN 14387:2004 + A1:2008 for gas, vapour and combined filters, and AS/NZS 1716 (Australia/New Zealand). It is CE certified for use in the European Union.
Applications
Suitable for chemical processing, oil & gas, agriculture, waste management, decontamination, and emergency response environments where combined organic, inorganic, acid gas and particulate protection is required.