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Last Chance St-100x Clear Full-face Survival Gas Mask With A2p3 R Organic Vapor And Particulate Protection Kit [mAsb5elu]

$27.99 $89.99 -69%

The ST-100X Full-Face Gas Mask is compact, lightweight, and provides heavy-duty protection against environmental hazards. Designed to withstand brute force impacts and toxic environments, the ST-100X mask will provide the safety and security needed t

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Last Chance St-100x Clear Full-face Survival Gas Mask With A2p3 R Organic Vapor And Particulate Protection Kit [mAsb5elu]

The ST-100X Full-Face Gas Mask is compact, lightweight, and provides heavy-duty protection against environmental hazards. Designed to withstand brute force impacts and toxic environments, the ST-100X mask will provide the safety and security needed to navigate unpredictable, dangerous.

The ST-100X mask's convex face shield design, constructed of silicate, has been impact resistant tested. Standard and provides a wide field of view that augments visibility and spatial awareness.

The ST-100X comes with one P-D-1 A2P3 R 40mm NATO canister, but can be used with various 40mm NATO canisters designed to protect you in various non-terrorist environments. It is designed for long-term use in harsh environments. The faceseal is fashioned from natural rubber, which provides a soft but robust seal that will not wear or lose shape.

The 5-point harness is designed for both comfort and convenience. This harness stretches cleanly over the head without snagging or pulling, and can be secured quickly and properly. Thes robust straps are from elasticized rubber and retain their shape even in the hottest environments. 

Loadout Details:

  • Field of View: 78% panoramic field of view
  • Port: One 40mm NATO Center Port
  • Anti-Fog: Suitable for hot and cold weather environments
  • Head Harness: 5-point attachment adjustable silicon head harness
  • Voice Box Diaphragm: High-quality voice box diaphragm facilitates effortless communication while wearing the mask.
  • Impact-resistant lens: Protects your face against impacts and hazards.

RECOMMENDED FOR:

  • Tactical & Survival: Designed for military, police, and prepping.
  • NBC Scenarios: Perfect for nuclear, biological, and chemical threats.
  • Fire Safety & Wildfires: Perfect for use in firefighting operations and hazardous smoke environments.
  • Hazardous Environments: Great for chemical warfare, riot control, and firefighting.

ST-100X Survival Gas Mask 

Protection Level Class 2
Head Strap 5-Point Adjustable
Thread Connection 40mm NATO (STANAG 4155 / EN148-1)
Weight 445g/15.7 oz
Shelf Life 5 years
Storage Condition Temperature -10 °C (14°F) to 35 °C (95 °F), Humidity <80% RH
Inhalation Resistance 30 l/min 0.45 mbar
95 l/min 1.45 mbar
160 l/min 2.4 mbar
Exhalation Resistance 160 1/min continuous flow or 50L/min sinusoidal (25 cycles/min, 2.0L/stroke) 1.4 mbar
Inward Leakage 0.04% of inhaled air
Carbon Dioxide Content of the Inhalation Air (% by vol.) 0.9% of inhaled air
Effective Field of Vision

78%

Overlapped Field of Vision

80%

Gas Capacity

A2 Test Gas: C6H12
Test gas concentration: 17.5mg/L
Flow: 30L/min
Protection Time: 40 minutes

Filter Penetration

Maximum filter penetration of tested aerosol (%) Sodium Chloride test at 95 l/min with a tolerance of ±2% ≤ 0.03%
Paraffin Oil test at 95 l/min with a tolerance of ±2% ≤ 0.05%

Fit Test Compatible with TSI Fit Test Adapter 8025-CEN

ST-100X: User Instructions

ST-100X CE Certification: EN 136: 1998

Package Contents:

  • ST-100X Full-Face Survivalist Gas Mask
  • 1 P-D-1 40mm A2P3 Cartridge

Cartridge & Filter Compatibility

ST-100X Certifications and Tests

What Our Customers Say

January 17, 2026

Absolutely no complaints!

It is perfect. I have nothing to complain about.

- Joyce T..

January 17, 2026

Absolutely no complaints!

It's a smart design that works beautifully.

- Clarissa K..

January 17, 2026

Absolutely no complaints!

It's a wonderfully made piece of gear.

- Joshua L..

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