I am looking for CO2 cylinders that no one uses whether empty or full. Anything from paintball cylinders to 20 lb cylinders. CO2 fire extinguishers would work also if anyone has one. Even if the cylinder/fire extinguisher has expired it will work for my needs. Also it doesn't have to be pretty, it just has to work. I cannot afford more than 10 dollars right now but it will be very helpful and appreciated if anyone can help. Thank you.
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