The IIR-100 Recon Gas Mask is built for professionals who demand reliability in high-risk environments. Made from rugged, chlorinated butyl rubber and rated at Class 3, this full-face respirator provides superior durability and exceptional chemical resistance. Whether you're on patrol, conducting emergency response, or working in hazardous industrial zones, the IIR-100 offers a high level of protection you can count on. Equipped with a DefensePro N-B-1 ABEK1P3 R 40mm canister, this mask delivers broad-spectrum filtration against toxic gases, industrial chemicals, and particulates. The dual 40mm NATO ports (STANAG 4155/EN148-1) allow for flexible filter setup, supporting compatibility with a wide range of standard filters. Additionally, the integrated hydration system with drinking tube and canteen ensures mission endurance without compromising safety—ideal for long-duration operations where performance can't dip. The IIR-100 is designed for comfort under pressure. A 6-point adjustable harness locks in a secure fit for all-day wear, even in the most intense conditions. From military units and law enforcement to tactical professionals and preppers, this mask is a trusted choice for those who need serious protection when every second counts. Loadout Details Built for the Front Line: Engineered with chlorinated butyl rubber and rated at Class 3, this mask delivers top-tier durability and resistance against harsh chemical threats. Hydration-Ready: Integrated drinking tube and canteen system keeps you operational during extended missions without breaking seal. Battle-Tested Filtration: Equipped with a Defense N-B-0 CBRN ABEK1P3 R canister protects against toxic gases, chemicals, and particulates. Compatible with all 40mm NATO filters (STANAG 4155/EN148-1). Lockdown Fit: 6-point head harness locks the mask down tight, while dual 40mm ports allow flexible filter setup and easy breathing under pressure. Mission-Critical Use: Trusted by military units, law enforcement, and tactical teams who need dependable protection when it matters most. Recommended For: Tactical & Survival: Ideal for police, law enforcement, military, and prepping. Chemical & Biological Protection: Defends against chemical spills, CS Gas, and airborne viruses. CBRN Scenarios: Perfect for chemical, biological, and radiological threats. Hazardous Environments: Great for chemical warfare, smoke, and riot control. IIR-100 Recon Gas Mask   Protection Level Class 3 Head Strap 6-Point Adjustable Thread Connection 40mm NATO Weight 520g/18.3oz Shelf Life 5 years Storage Condition Temperature -10 °C (-14°F) to 40 °C (104 °F), Humidity <80% RH Inhalation Resistance 30 l/min 0.35 mbar 95 l/min 1.4 mbar 160 l/min 2.3 mbar Exhalation Resistance 160 1/min continuous flow or 50L/min sinusoidal (25 cycles/min, 2.0L/stroke) 2.4 mbar Inward Leakage 0.03% of inhaled air Carbon Dioxide Content of the Inhalation Air (% by vol.) 0.32% of inhaled air Effective Field of Vision 76% Overlapped Field of Vision 44% Gas Capacity A2 Test Gas: C6H12Test gas concentration: 17.5mg/LFlow: 30L/min Protection Time: 35 minutes B2 Test Gas: CL2Test gas concentration: 15 mg/LLFlow: 15L/min Protection Time: 20 minutes Test Gas: H2STest gas concentration: 7.1mg/LFlow: 15L/min Protection Time: 40 minutes Test Gas: HCNTest gas concentration: 5.6mg/LFlow: 15L/min Protection Time: 35 minutes E1 Test Gas: SO2Test gas concentration: 2.7mg/LFlow: 15L/min Protection Time: 25 minutes NBC Agents Cyanogen chloride(CK) Protection Time: 54 minutes Sarin/cyanogen chloride efficiency Protection Time: 59 minutes Sarin/hydrogen cyanide efficiency Protection Time: 34 minutes Filter Penetration Maximum filter penetration of tested aerosol (%) Sodium Chloride test at 95 l/min with a tolerance of ±2% ≤ 0.01% Paraffin Oil test at 95 l/min with a tolerance of ±2% ≤ 0.05% Fit Test Compatible with  TSI Fit Test Adapter 8025-CEN IIR-100: User Instructions Package Contents: 1 x IIR-100 Recon Butyl Rubber Gas Mask 1 x Defense N-B-0 40mm ABEK1P3 R Filter 1 x Canteen Cartridge & Filter Compatibility N-B-1 Shop Now N-B-0 Shop Now P-D-1 Shop Now IIR-100 Certifications and Tests