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1 On average, the price for a swap out of about 60 cubic foot acetylene owner-cylinder is about $70, while you should be prepared to spend about $35 for a 40 cubic foot exchange of an owner tank.
I bought the oxy cylinders for $200 even and the exhange charge is around 25 bucks. I currently own 2- 145 cf acetylene cylinders that i bought for $200 even as well.They cost around 40 bucks to exchange. Also to note that these cylinders i have are not on any lease contract.I own them forever.