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Description
SGE 400/3BB GAS MASKMaximum chemical warfare protection. The SGE 400 3BB features a butyl rubber face sealthe same material used in military CBRN suitsproviding 200x better vapor resistance than natural rubber and complete impermeability to nerve agents (sarin, VX), mustard gas, and other chemical warfare agents. Three 40mm NATO filter ports let you mount the filter left, right, or center for optimal comfort and rifle shouldering. Ballistic rated polycarbonate visor.
Maximum chemical warfare protection. The SGE 400/3BB features a butyl rubber face seal—the same material used in military CBRN suits—providing 200x better vapor resistance than natural rubber and complete impermeability to nerve agents (sarin, VX), mustard gas, and other chemical warfare agents. Three 40mm NATO filter ports let you mount the filter left, right, or center for optimal comfort and rifle shouldering. Ballistic-rated polycarbonate visor. EN136:1998 certified. Made in Italy by Mestel Safety, assembled in USA. Filter sold separately.
The SGE 400/3 BB gas mask has 3x 40mm filter ports (left, right and center) Soft inner orinasal cup quick release harness with six adjustable straps. Controlled air flow prevents fogging of the visor.
Engineered to meet CBRN standards for chemical warfare protection, the SGE 400/3BB features:
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Three 40mm NATO Filter Ports (left, right, center)
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Ballistic Polycarbonate Visor
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92% visible light transmission
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Treated for chemical resistance
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Butyl Rubber Face Seal
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Impervious to nerve agents, mustard gas, and VX
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200x better vapor resistance than natural rubber
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Airtight seal under extreme conditions
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Resistant to ozone, oxidation, and high heat
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Six-Point Quick-Release Harness for rapid deployment
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Heat Resistance
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800°C (1472°F) for 5 seconds
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200°C (392°F) for 6 minutes
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Trusted by first responders, hazmat teams, and military operators, this mask delivers uncompromising protection in hostile environments.
Mask Specifications :
- Model: SGE 400/3BB
- Manufacturer: Mestel Safety (Italy), assembled in USA
- Filter Ports: 3x 40mm NATO (EN148-1 / DIN 3183)
- Face Seal Material: Butyl rubber (CBRN-rated)
- Visor Material: Polycarbonate with chemical-resistant coating
- Visor Light Transmission: 92%
- Visor Impact Rating: Resists 1" steel ball at 335 MPH
- Heat Resistance: 800°C for 5 sec / 200°C for 6 min
- Weight: 650g (S/M) / 690g (M/L)
- Certifications: EN136:1998, EU PPE Category III (Regulation 2016/425)
- Included: Mask only (filter sold separately)
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Compatible With: All 40mm NATO filters, powered respirators, airline systems
☢️Complete Your CBRN Setup
Multipurpose CBRN 40mm Filter - $54.95 - Required: Filter sold separately
Frequently Asked Questions
Q: What's the difference between SGE 400/3 and SGE 400/3BB? A: The SGE 400/3 has a silicone face seal. The SGE 400/3BB has a butyl rubber face seal, which provides superior resistance to chemical warfare agents (nerve agents, mustard gas) and meets stricter CBRN requirements. The 400/3BB is also slightly lighter. If you need maximum chemical protection, consider the 400/3BB version in our NBC Protective Kit.
Q: Why is butyl rubber better than silicone? A: Butyl rubber is impervious to nerve agents (sarin, VX), mustard gas, and other chemical warfare agents. Silicone provides good protection but doesn't meet the same military CBRN standards. Butyl rubber also has 200x better vapor resistance than natural rubber.
Q: What filters work with this mask? A: Any 40mm NATO threaded filter (EN148-1 / DIN 3183). We recommend our Multipurpose CBRN 40mm Filter ($54.95).
Q: Is this the same mask in the Tactical NBC Protective Kit? A: Yes. The Tactical NBC Protective Kit ($495.99) includes the SGE 400/3BB mask plus a filter, Tychem chemical suit, butyl gloves, overboots, and carry bag.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
A good read
Format: Kindle
A good read, just fluffy cuteness, no antagonism. I like all the characters. It could have used another round of editing however, glanfds being one error that cracked me up, and my personal pet peeve was that the author kept using the word fill instead of feel, which I promise you are not interchangeable haha, but it's definitely better than the majority of books I read on here mistake-wise.
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Reviewed in the United States on November 28, 2024
★★★★★ 4
amazing
Format: Kindle
Knot the Bride was a fantastic read! The characters were all amazing and well-developed. It was easy to like them all. Sophia, Luca, Nick, and Gavin were all perfect for each other. It was such a charming story that had me hooked the entire time. I did wish there were POVs from Luca, Nick, and Gavin but it was still an amazing book without it.
I am excited to read the next book in the Willowside Omegaverse series! This is definitely a must-read for fans of omegaverse romance!.
I received a free copy of this book and am voluntarily leaving a review.
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Reviewed in the United States on April 25, 2025
★★★★★ 3
3 Star Read,
Format: Kindle
This book wasn't bad, but wasn't my cup of tea. It's highly disappointing because the storyline is so original. There is no real conflict or resolution, so the entire thing feels flat.
As a lover of omegaverse books, I know there is a ton of variety out there, and ov is really up to the author. But this one is weird. Omegas have multiple scent glands all over their bodies and go into week long heats every month. Alphas have knots in the middle of their shaft instead of the base, and the knot doesn't always swell, no explanation of when or why. It doesn't engage at all when the mouth is in play.
I also didn't enjoy the author's writing style. Each paragraph is only 1 or 2 sentences long, and the entire book reads very stacato. The conversations are stiff and unnatural feeling. Everything is very repetitive, both in word choice and in thought. The same thing is repeated 3 or 4 times over a single page, multiple times over. I ended up doing so much skimming.
The first 50% of the book is all slow burn, and the last 50% is almost straight mediocre spice. This wouldn't have been all bad if the grammar and spelling errors didn't start at the exact same time. Tongue is repeatedly misspelled in the middle of the spice.
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Reviewed in the United States on September 14, 2024
★★★★★ 5
Cozy Omegaverse
Format: Kindle
This is the true definition of Cozy Omegaverse. LA wedding coordinator meets her pack at the location for a couple’s destination wedding. Low angst because they are scent matched high heat with heats and knots. Everything you love about this genre with very little anxiety. Simply a fun experience to read and a book I will comeback to when I’m in a slump. I simply love reading this book
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Reviewed in the United States on March 19, 2026
★★★★★ 4
Cute Omegaverse story
Format: Kindle
3.75 stars and 2 for spice. Adorable Omegaverse story about a wedding planner who has to go to a small town to plan a wedding for a movie star. While there, she meets her pack. This covers her struggles of not living there but trying to keep her relationship going with her 3 Alphas.
It's a quick read and cute, so I recommend it for people who like light-hearted RH stories.
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Reviewed in the United States on May 31, 2025