this post was submitted on 27 Apr 2026
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yeah they have best-before dates on them. i think they should be switched every few years or so
You don't need to replace them. You just need to get them retested. They should be retested every year. Most welding supply sotores or gas suppliers offer that service ond it's dirt cheap.
Having a fire blanket is also very helpful and they basically don't expire.
They have a pressure gauge too, which should be in the green.