... thermal insulation for air condition are engineered and manufactured for HVAC and other industrial applications, with the closed cell structure the kingflex insulation ... /4",1",1-1/4",1-1/2",2"(6,9,13,19,25,32,40,50)inside diameterin(mm)1 ... cartons and with white powder inside or as required2. With label pasted on both sides of cartons3. Container loaded in the factory flexible rubber ...