... , easy to install (powdered) NBR/PVC insulation pipe Foamed for air conditionerspecification: (1)ID size: 1/4", 3/8", 1/2 ... ", 3-1/2". (2)Carton size: 1890*340*400mm (3)Wall Thickness: 3/8", 1/2", 3/4",1" (4)Length ... .85 - 2.0 m) temp -40 to 118 F class B water absorption\n <10% thermal conductivity <.03 w/m.kplease ... any time.Lucy Chen powdered rubber foam insulation pipe for air conditioner