The NBC-77 SOF 40mm gas mask filter canister, in combination with a full-face mask, mouthpiece assembly, or PAPR, reliably protects air passages against a wide range of harmful and highly toxic substances including all known CBRN agents.
(1) NBC-77 SOF CBRN Gas Mask Filter with a 20-year shelf life
"This is, literally, a life-saver you carry with you. I can’t recommend their gear enough. And that’s as honest as I can get. I’m impressed."
American Cop Magazine, Editors Pick
"Echo-Sigma can make a huge difference when the going gets nasty... It's a bit of insurance that no one should be without."
We ship all items to the lower 48 USA states via FedEx Ground Service. As all kits are custom built as they are ordered, please allow 2-5 business days for shipping. Most non kit items ship the next business day.
We offer Free ground shipping on orders of $319.99 or more to the lower 48 USA states.
We ship all international and extended USA destination orders via United States Postal Service priority mail. Please note, international customers may need to pay additional customs, duty or VAT charges to their local municipality. Echo-Sigma is not responsible for these additional fees. We currently offer shipping to the following international destinations:
The United Kingdom
Ireland
France
Spain
Australia
New Zealand
Canada
If you do not see your country on the list, please contact us to make a special inquiry. Please double check the legalities of any items that you order in your local area. Echo-Sigma is not responsible for any legal issues that you may incur through possession or use of our products.
If you aren't completely, 100% satisfied with any Emergency Kit purchase you receive from Echo-Sigma, for any reason, return it unused for a full refund within 30 days. No hassle, no nonsense, no problem. We won't bog you down in endless paperwork, we'll even pay your return postage. Your complete satisfaction with each and every emergency kit we sell is what's most important to us.
We are of the firm belief that once you open up your order and see all of the thought, attention and quality that went into it, you'll know that you've made the right decision.
If you decide that your kit isn't for you for any reason at all,
you can call us at (424) 241-ECHO or email us at returns@echo-sigma.com!
The Echo-Sigma No Nonsense Satisfaction Guarantee is offered only to customers in the lower 48 United States.
They’re designed to help you breathe in any situation where the air quality is dangerous, including chemical attacks, areas with highly concentrated chemicals and contaminants, and similar situations. They’re generally used by those with public safety occupations, like law enforcement and hazmat crews – but they can also be worn by civilians.
While some gas masks can be complicated, Mira makes things fairly simple. More importantly, they’re designed with features like a speech diaphragm so that you can easily communicate with those around you, as well as an attachment for water so that you can stay hydrated without putting your lungs at risk.
Though that’s ultimately up to you, having a gas mask on hand can benefit your emergency preparedness. Professional-grade and designed with the utmost safety and quality in mind, these masks can make all the difference in situations when air quality is compromised.
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These filters are a must for anyone being a prepper or interested in being proactive in their emergency plans. These filter have a long shelf life as well.
