About this product
Industrial-Standard Respiratory Protection Against Chemical and CBRN Threats
At MIRA Safety, we engineer respiratory solutions for professionals who face extreme hazards. The DotPro 330 Special Combined Filter delivers uncompromising protection against industrial chemicals and CBRN threats, certified to rigorous EN 14387:2004+A1:2008 standards. Trusted by HAZMAT teams and industrial safety managers worldwide, it combines military-grade durability with advanced filtration technology.
Unrivaled Protection You Can Depend On
- 99.99% Particle Filtration at 95 L/min airflow
- Mercury Vapor Protection (>170 hours)
- Toxic Gas Adsorption for organic vapors, acid gases, ammonia, and chlorine
- Shock-Resistant Construction survives 3m drops (MIL-STD-810G tested)
- 10-Year Factory-Sealed Shelf Life for emergency readiness
Complete Threat Protection
| Threat Type | Target Substances | Protection Duration |
|---|---|---|
| Organic Vapors (A2) | Benzene, Toluene, Xylene | >35 min @ 5,000 ppm |
| Acid Gases (E2) | Sulfur Dioxide, HCl | >20 min @ 5,000 ppm |
| Inorganic Vapors (B2) | Chlorine, Hydrogen Sulfide | >25 min @ 5,000 ppm |
| Ammonia (K2) | Ammonia Derivatives | >40 min @ 5,000 ppm |
| Mercury Vapors (Hg) | Elemental Mercury | >170 hours |
Technical Specifications
| Parameter | Specification |
|---|---|
| Thread Standard | 40mm NATO (STANAG 4155) |
| Dimensions | 110 mm Ø (±2%) × 85 mm H (height incl. connection thread) |
| Weight | 360 g ± 5% |
| Operating Range | -30°C to +70°C (-22°F to 158°F) |
| Particle Efficiency (standard tests) | 99.95% NaCl (S) • 99.95% Paraffin oil (L) |
| Particle Efficiency (high flow) | >99.99% @ 95 L/min |
| Breathing Resistance | 260 Pa @ 30 L/min • 900–980 Pa @ 95 L/min |
| Certification | EN 14387:2004+A1:2008 (Type A2B2E2K2Hg S/L) |
| Shelf Life (factory sealed) | 10 years |
Engineered for Extreme Conditions
- Arctic to Desert Ready: Full performance from -30°C to +70°C
- Decontamination-Resistant: Withstands bleach/peroxide cleaning and standard decontamination agents
- Universal Compatibility: Seamlessly integrates with 40mm NATO masks (MIRA CM-6M®/7M, Avon, Dräger, MSA)
- Tested Reliability: Each batch validated at 5,000 ppm concentrations
Why Professionals Choose DotPro 330
“During the Houston chemical spill response, our team relied on DotPro 330's mercury protection for 3 days straight. No other industrial filter offers this level of CBRN overlap.”
— Carlos M., HAZMAT Unit Leader
Trust Through Certification
- TÜV SÜD Certification #J2097-ULE-25
- Batch-specific QR traceability code
- EN 14387 compliance documentation
Critical Limitations
- Not for carbon monoxide
- Use only in environments with ≥19.5% oxygen
Your Safety Questions Answered
How does it compare to standard industrial filters?
The DotPro 330 uniquely combines extended mercury defense (>170 h) with CBRN-level particulate performance (99.99% @ 95 L/min).
Will it fit my existing respirator?
Yes—compatible with all 40mm NATO threaded masks manufactured since 1985.
How is the 10-year shelf life supported?
Factory-sealed with humidity control. Store at 15–25°C (59–77°F).
Does it protect against biological threats?
When paired with a sealed mask, it filters 99.99% of airborne particulates (including bacteria/viruses).
Commitment to Your Safety
At MIRA Safety, we don't compromise on protection. The DotPro 330 exemplifies our dedication to engineering respiratory solutions that outperform in the world's most challenging environments—from chemical plants to disaster zones.
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FAQs
Have a Question?
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Are there any agency discounts offered?
Yes, please contact our sales department for agency discounts, whether for an individual or agency wide.
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What is the standard lead time?
1-3 business days upon payment receipt.