AERO 20, AERO 21, AERO 21 INOX, AERO 25, AERO 26, AERO 31 INOX and VL200. AERO2021, AERO2101, AERO2121, AERO2421, AERO2501, AERO2511, AERO2521, AERO2621, AERO3521, VL100, VL200. Compatible with Nilfisk Aero 20-01, Aero 20-01 Inox, Aero 20-21 Inox, Aero 20-11, Aero 20-21, Aero 25-11, Aero 25-21.
