Replacement 1/4 hose nuts, tailpiece or sets 1/4 left hand nuts for fuels (acetylene or propane) gases 1/4 right hand nuts for oxygen or inerts gases 1/4 tailpiece for 1/4 nut Or 1/4 left hand nuts for fuels (acetylene or propane) gases & 1/4 tailpiece for 1/4 nut set 1/4 right hand nuts for oxygen or inerts gases & 1/4 tailpiece for 1/4 nut set.
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