Spray nozzle 50 mm. Protects against the overheating of glass panes, for example, by deflecting the escaping air. Ideal for restoration work. For HM/HL/HG 1620 S, 1820 S, 1821 S, 1920 E, 2020 E, 2120 E, 2220 E, 2320 E, MOBILEHEAT 1/3/5 hot air units.