1/4 inch Copper coated Pipes 1,low carbon steel tube 2,popular size:4.76*0 ... .65mm,4.76*0.7mm,6*0.7mm etc. 1/4 inch Copper coated ... 1.0mm5) Materials: BHG, SPHC, SPCC6) Surface Treatment: Zinc-coated, Copper-coated, etc.7) Inside: N2 pressure inside8) Popular Size: 4 ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 1/4 inch Copper coated Pipes