"Never pay lease or rent charges again! Brand new industrial-grade welding gas cylinder has never been filled. Refillable and exchangeable. Provides approx 2 hr. burn time when matched with the same size oxygen cylinder, using an oxyacetylene cutting torch. #4 size 145 cu. ft. capacity Empty 40in.H x 8in. diameter DOT-approved cylinder CGA 510 female valve Provides approx. 2 hr. burn time matched with same size oxygen cylinder using a #0 (1/2in.) cutting tip on oxyacetylene cutting torch"
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