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