Application:Home Type:Air Conditioning Fitting Certification:RoHS Item:copper refrigeration tube pair coil Color:White Black Gray Thickness:0.6-1.2mm Material:Copper Insulation Nuts Length:3-50m Application:air conditioner connection pipe Market:Repair Second hand market Size:1 4" 3 8" 1 2" 5 8" 3 4" Standard:ASTM B241 B-241M