MIRA Safety DotPro 330 40mm NATO Gas Mask Filter

MIRA Safety DotPro 330 40mm NATO Gas Mask Filter

  • Protects against mercury and toxic vapors for reliable industrial safety
  • Dual-layer filter captures 99.99% of harmful particles and gases
  • Performs reliably in extreme conditions, from -30°C to 70°C, even in 95% humidity
  • Lightweight and durable at just 360g, comfortable for long-term use
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Regular price $49.95

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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.

Deployed by:

  • The United States

    The United States

    DEPARTMENT OF
    DEFENSE
  • The United States

    The United States

    DEPARTMENT OF
    HOMELAND SECURITY
  • The United States

    The United States

    CUSTOMS AND
    BORDER PROTECTION
  • The United States

    The United States

    TEXAS STATE
    GUARD
  • The United States

    The United States

    PA DEPARTMENT OF
    CORRECTIONS
  • The United States

    The United States

    GALVESTON POLICE
    DEPARTMENT TX
  • The United States

    The United States

    DAYTONA BEACH POLICE DEPARTMENT FL
  • The United States

    The United States

    BURLESON FIRE
    DEPARTMENT
  • Portugal

    Portugal

    MINISTRY OF
    INTERIOR
  • Ukraine

    Ukraine

    MINISTRY OF
    DEFENSE
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    FAQs

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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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      1-3 business days upon payment receipt.

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