Features: 1.High temperature resistant , constant for +150C, shortly for +175C 2.Environment friendly,free of CFC, HCFC Technical ... W/mKASTM C 177 JIS A 1412 DIN 52613Corrosion of Copper ,Stainless Steel NoncorrosiveDIN1988Environment Friendly CFC ,HCFC free UV, Weather ... / Standard carton size for tubes: 23cm H x 45cm W x 207cm L Flexible Aeroflex EPDM Thermal Insulation Pipe for Heating System