I’ve got two dead RECI 90W CO2 laser tubes and a small 50W tube that I’m getting rid of.
They’re no use as a laser anymore as they’ve depressurised, however I feel it’s a shame to throw out such nice pieces of glasswork.
If anyone wants them to make something out of they’re all yours.
They look like:
https://www.aliexpress.com/item/RECI-laser-tube-S2-80w-length-1250mm-diameter-80mm-use-for-laser-engraving-and-cutting-machine/32595910426.html