

4.125 OD x .134 Wall thickness
Type K Straight Lengths Marked as OXY/MED ASTM B 819 Standard Specification for Seamless Copper Tube for Medical Gas Systems
NSF 61 , Alloy C12200
* Please note that the straight length hard temper copper tubing listed here is called and ordered by the Nominal , ID size 4 Inch. Please reference this size when ordering any copper fittings or plumbing tools.