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>spend $40 on a fire extinguisher every few years

Gosh, I hope they last longer then that!

I have a (genuine) Halon fire extinguisher hanging on the wall. According to the internets, Halon was banned in 1994!

The pressure dial on it is still in the green.

"Stored pressure ABC extinguishers are very common, and they often require internal maintenance every 6 years and hydrostatic testing every 12 years. Other types of extinguishers may vary in their internal examination and testing intervals." -https://www.cintas.com/fire-protection-services/fire-extingu...

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