1 Size:for 1/8 , 1/4,3/8,1/2,5/8,3/4 inch copper tube outer layer , 2 Wall thickness: ... 8mm to 12mm , 3 Materials:PE foam . Insulated pipe(1) Size:for ... 1/8 , 1/4,3/8,1/2,5/8,3/4 inch copper tube outer layer ... mm)(2) Wall thickness:8mm to 12mm.(3) Length:4M(4) Material:PE foam(5) Temperature range: -40 celsuis degree ...