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Respiratory Protection
Nuclear Survival Filters
★★★★★
Universal NATO 40mm thread — compatible with the Verva Emergency Gas Mask and all NATO 40mm respirators.
81% of current stock sold
81%
$24.99
$59.99
Save $35
- ✓ NATO 40mm CBRN-rated — nuclear fallout certified
- ✓ 99.97% filtration at 0.3 micron particle size
- ✓ 200-hour active use lifespan per filter
- ✓ Dual-filter pack — one for each side of the mask
- ✓ 30-year shelf life sealed in packaging
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CBRN Certified
200h
Filter Lifespan
NATO
40mm Standard
30yr
Shelf Life
Why These Filters
Nuclear Rated
CBRN-certified to filter nuclear fallout particles, chemical agents, and biological threats at the submicron level.
Universal Fit
Standard NATO 40mm thread fits any compatible gas mask. No proprietary lock-in — works with what you have.
200-Hour Lifespan
Each filter rated for 200 hours of active use — enough for an extended emergency scenario.
30-Year Shelf Life
Sealed packaging preserves filter integrity for 30 years. Stock up now, use when needed.
Specifications
| Filter Standard | NATO 40mm CBRN |
| Thread | 40mm universal |
| Protection | Nuclear / Biological / Chemical / Radiological |
| Particle Filtration | 99.97% at 0.3 micron |
| Active Lifespan | 200 hours per filter |
| Shelf Life | 30 years sealed |
| Pack Contents | 2 filters (one per side) |
CBRN Certified
Military standard
Free Shipping
All US orders
30-Day Returns
No questions asked
30yr Shelf Life
Buy once, always ready
The filter that turns your mask into a nuclear shield.
NATO 40mm CBRN-rated. 200-hour lifespan. 30-year shelf life. One per family member — stock them before you need them.