CBRN FAQ Series: How long do respirator / gas mask filters ...

After the expiration date, or if they are opened for any reason, the filters should be discarded and replaced. Contrary to popular opinion, gas mask filters are not simply activated charcoal sandwiched by filter medium. These filters also contain catalytic materials that react with some chemical vapors to neutralize them.

So I just got these sealed new old stock filters and it ...

It's not a Compact Air filter made in the Netherlands, from Arbin Personal Protection, expired in 2012, is it? Usually, silica gel is found in small porous paper packets, not as a loose powder. This would have potential to cause mechanical contamination of the filter and mask threads, as well as mask valves. Not a very professional look.

C2A1 Expired Filter - Gas Mask and Respirator Wiki | Fandom

Combination Filters, like the C2A1, typically have a shelf life of 5 years. Although they can still be used after this period (and are commonly done so for training filters), the chemicals that comprise the hazardous agent-neutralizing compounds start to breakdown and seperate. This decomposition allows these chemicals to be inhaled when the ...

Is the gp5 gas mask safe? – JanetPanic.com

This depends on the concentration of the hazardous material that the gas mask filter is filtering. If it is a closed environment with thick toxic gases, the gas mask filter might only last for up to an hour. Is it dangerous to use an expired gas mask filter? Cartridges, filters, and masks get old. Cartridges can have a limited life.

Why is there asbestos in gas mask filters? - Quora

Answer (1 of 3): I don't believe that gas mask filters currently have asbestos. Back in WWI, when they were using chlorine gas, they needed filters that were highly chemically resistant. Asbestos does that, and is still so successful, that some chemical industries still use asbestos in their fil...

How do you filter toxic gas? - TreeHozz.com

Although the filter is made so that the asbestos fibres cannot be breathed in if the filter layer is not damaged, these expired filters and others should be avoided for risk of health. Modern gas masks are quite safe and do not use asbestos, but it is still important to be careful when using a modern gas mask .

Gas Masks and Filters | Survivalist Forum

Don't use expired filters or filters with no expiration date. Some agents need a neutralizer which can break down after the expiration date, rendering the cartridge worthless. Older canisters can also have harmful dusts in them like chromium. So no, you shouldn't buy or keep surplus or expired canisters around.

Is ebay a safe place to buy gas masks? | Survivalist Forum

"The gas mask also comes equipped with a 40mm sealed NATO standard filter that directly purifies the users breathing air. Contrary to what this company is telling you, the filter is not "purifying" the air.

On the myth of the FP-5 filter and why it shouldn't be ...

One of them is that most if not all FP-5 filters are expired, they are no longer in production, and there is little supply. My understanding is that the MP-5 mask, which uses the FP-5 filter, is still in use by the Polish military. So, wouldn't there still be FP-5 filters in production to …

Gas Mask Buyer's Guide – Best Safety Apparel

Selecting the best gas mask filter is selecting the mask that suits your needs. ... It is not that all gas masks are safe to use as respiratory gas masks because numerous gas masks are obsolete. Here is a list of gas masks to be mindful of: ... if they have expired or have been exposed to certain things, their abilities to safeguard may reduce. ...

Are GP 4 gas masks safe? – Rhumbarlv.com

Are GP 4 gas masks safe? The civilian GP-4u gas mask consists of the face-piece, the hose and a cylinder-shaped filter, which is screwed onto the end of the hose. The filters made for the GP-4u are known to contain asbestos and are long expired and outdated. They are not recommended for use by anybody.

How do gas masks work and how effective are they? - Quora

Answer: Depending on the type and quality of the mask, they filter toxic/harmful particulates, vapours, and pathogens out of the air you breath. They let the oxygen, nitrogen, and smaller molecules in the air pass through, and block larger things from passing through. If the stuff that needs filt...

Some Filter questions... : gasmasks

As in, if I wore a mask with a non Russian filter that is expired, will it cause harm in any way? Thanks in advance. TLDR:*Are the ABEK filters safe to use ? *Would using a hose "nullify" the partial incompatibility from Russian masks to NATO filters? *Are expired filters still ok to use/breath through for cosmetic use(NOT real chemical scenarios)?

Bought GP-5 mask. Need help to identify filter and if it's ...

If it's a safe filter for use or if it's an old one that could leak asbestos and that is best avoided breathing through. (Note that I will NOT use it for breathing chemicals or gases. It's gonna purely be used for cosmetic purposes!) While I'm already asking this. I would also like to ask if it's safe to wear a GP-5 mask for longer periods of time.

Surplus Gas Masks | Is my Gas Mask and Filter Safe to Use?

Not all gas masks used asbestos to filter out chemicals and such, but many countries did use this filtering agent, especially during WWII. The Italians and Germans are both examples of countries using asbestos in their gas mask filter production during this period.

cool mask: Are gas mask NBC filters reusable?

Serious answers only folksAre gas mask NBC filters reusable? You can buy reusable canisters, but the effectiveness is diminished with reuse. I recommend just having a spare. Military experience. Posted by rosale at 6:09 PM. Newer Post Older Post Home.

Bit of a long shot: Expired gas mask filters | SpaceBattles

Hey the War Room. Purchased a very cheap surplus cold-war era Polish gas mask for a costume (the MC-1 +MS 4). My question is this: While expired gas masks are completely useless as protective gear, is an expired filter from one of these likely …

How long do gas masks last? – JanetPanic.com

Is it safe to use an expired gas mask filter? Cartridges, filters, and masks get old. Cartridges can have a limited life. If the filter cartridges that attach to the mask are outdated, have been open to the air or are damaged, you are not protected. Do gas masks help in fires?

WWII Gas Masks: A Life Saver Or A Potential Killer ...

Post war gas masks can also release asbestos fibres and be contaminated; asbestos fibres can be released from handling the masks, filters and by carrying the bag. In 2008 the Health and Safety Executive, Northern Ireland issued an urgent warning to schools and school boards on the dangers the gas masks possess.

Do Gas Mask Filters Expire? Whats Inside and How do they ...

Chemical Cartridge/Gas Mask Respirator: Gas masks are also known as "air-purifying respirators" because they filter or clean chemical gases out of the air as you breathe. This respirator includes a facepiece or mask, and a cartridge or canister. Straps secure the facepiece to the head.

CrimethInc. : A Demonstrator's Guide to Gas Masks and ...

Filters. You need to make sure your filter is rated for both oil-based particulate matter (P100 filtration) and organic vapor. If you have a NATO-threaded military mask: For a 40mm threaded NATO cartridge, you need either a CS/CN/P100 filter, which can be difficult to come by as a civilian but seems to be what is commonly issued to police, or a CBRN filter, which is more commonly available …

Gas Mask – Gas Masks | Homeland Security News

GAS MASK FILTER: AMERICAN M-9 (circa 1940) 60 mm threaded filter STATUS: EXPIRED DETAILS: Common American issue. (Most from the 50's) USAGE: US issue during prior to 1950. Use of this filter is highly discouraged, it provides 0% protection and may be toxic on it's own.

Gas Masks 101 | RECOIL OFFGRID

Replacement Filters: A gas mask is useless without a proper canister/filter. Many filters contain activated charcoal and other chemicals to absorb (filter out) harmful agents. Once the mask is sealed around the face the only air entering the mask will first need to pass through the filter media.

Vinegar in gas mask filter? : bugout

No, it's not true. I've also heard of problems with people using old and expired gas mask filters, but I've never practically seen this to be a problem. In fact, if you go out to a big Airsoft game, ask every 17-20 year old there for a gas mask, and a huge number of them …

Gas Mask Filter Buyer's Guide - MIRA Safety

Gas mask filters are easy to carry, use and store, with a shelf life that can stretch into decades, and depending on the specific filter, they can provide up to 40 or more hours of practical protection from airborne contaminants and toxins. Any worthwhile gas mask filter will have these details laid out in the included documentation.

Respirator Fact Sheet, What You Should Know | NPPTL ...

Gas masks are also known as "air-purifying respirators" because they filter or clean chemical gases and possibly particles out of the air as you breathe. This respirator includes a facepiece or mask, and a filter/cartridge (if the filter is in a metal shell it is called a "canister"). …

Is the GP 5 gas mask filter overrated over how dangerous ...

Answer (1 of 4): GP-5 owner here, the GP-5 filter does actually work, if you have a brand new, never-used filter you've just unsealed. The problem with the mask's stock filter is that yes, it does contain asbestos. HOWEVER! If the particulate layer is intact, and the asbestos isn't disturbed, it...