GB5019487498307900090
782.75 CARDBOARD DUCTING, ALUMINIUM FOIL LINED ON INSIDE AND COATED WITH PLASTIC ON THE OUTSIDE. NOMINAL INTERNAL DIAMETER 40 MM. WALL THICKNESS 1.8 MM. USED AS A TUBE TO DIRECT HOT BLOWN AIR FROM A HEATER TO A SELECTED OUTLET POINT. INNER TEMPERATURE RESISTANCE 120 DEGREES CENTIGRADE.