SCBAs

Unironically, why do you waste money on meme masks for actual shtf scenarios when you could save up a few hundred bucks and get a used SCBA and have actual protection

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Because it weighs a fuckton and sits right where I'd like my pack to be?

I have a snorkel

wew lad

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How do you purify your refils of compressed air without the same filters you would put on a mask?

Think of a compressed air tank like a battery. A battery stores electrical energy, a tank stores air. Saying you can rely on a tank of air in SHTF is like saying you don't need a way to generate electricity, just use batteries.

Very short sighted. If you can't purify your compressed air you are just compressing toxic air. If you can dilter and purify your compressed air why not just breathe through that same filter?

The amount of air you have with those too really isn’t much.
We practice with them monthly for man down drills with h2s and it’s surprising really how fast your air runs out.
Working under supplied air fucking sucks too, i’ve Had the safety hand fall asleep at the air tailor and have to turn on my hip bottle, it’s freaky when you go to breath and there’s suddenly no air knowing if you rip the mask off your dead

its kind of a meme,ive used the scotts pictured in your op pic, its like a 30 minute bottle, and unless you have a compressor youre kinda fucked. and have fun using the compressors at VFDs unless youre already versed in it, its autism to use.

>30 min
As a CBRN faggot I can tell you that is like comfortably a 20 minute bottle max

as a firefighter i can say its like 15-20 minutes, much less depending on your duty, but theyre like, classified i guess? as 30 minute bottles. comfortably 20 minutes would be stretching it.

Those actually look like the 45 minute bottles we have on subs. The 30 min ones are physically smaller and (at least ours) were more of a yellowish color.

It is.
Newer bottles are now 4.5kpsi and offer longer times than the old metal 3kpsi bottles.

in reality its like, 15 minutes of use desu

It's a weird feeling trying to get air when there's nothing to get.

a great cheaper alternative would be a soviet IP 5 Rebreather

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i got the onset of an extremely mild kek from your post.

Because they’re fucking heavy as shit? Who the fuck wants to lug one of those fuckers around during SHTF? How you gonna refill it safely?

Firefighter here.

In order for the SCBA to be a worthwhile choice, you would need an environment where it would be practical and a better option than a gas mask with filters. Are you expecting to move through a cloud of teargas? Then a gas mask is a much better idea. Are you expecting to be going through heavily concentrated fine dust particals or an area with nuclear contamination in the air? Then an SCBA with a sufficiently sized tank is your best option.

Here are things to consider.
1- you need to train with it. I regularly train in full SCBA outfitted for a structure fire and practice controlled breathing. A 45 minute cylinder doesn't mean 45 minutes guaranteed - it means 45 minutes best case scenario. It can last as little as 10 minutes depending on how you breathe. You would have to practice skip breathing, do plenty of cardio excercise to ensure peak respiratory conditioning. Learn to conserve your air.

2 - you need to maintain it. Learn how to inspect and repair seals, have it hydrostatically tested every few years, routinely empty and refill it to avoid stale air. Do you have a cascade system to refill it? Do you have extra cylinders to swap to once your air runs out? Do you think you could hold your breath long enough to change that cylinder?

If you expect to be evacuating through a burning area such as a building or a dry field that catches fire, then that SCBA would work. Again, for tear gas an SCBA is a horrible choice. You will be moving quickly, possibly fighting people who will try to take your SCBA in the middle of said tear gas, dodging obstacles and may need something to last a longer duration. The SCBA will be heavy (even if worn correctly with weight focused on your hips), it will be cumbersome, expensive and occasionally prone to failure. A gas mask is small, easily portable, uses a passive filter and doesn't prohibit carrying a backpack.

Yeah it is for the fat fuck chiefs that are out of breath from walking. For normal people it lasts 30+. I know this from personal experience.

what the fuck is an air tailor?

I have no experience in this arena, but from context clues I imagine it's a filter/compressor setup used for line-supplied air.

A full scuba setup is like 30 pounds and might give you 15 minutes.