1 Plate filter R 635/1 for Nilfisk Alto 42160,Nilfisk Alto aero 840A, EC 380-E, Nilfisk Alto SQ 550-11, SQ 550-21, Nilfisk Alto SQ 651-11: Amazon.co.uk: Kitchen & Home
Cartridge Filter Wet and Dry for Nilfisk Vacuum Cleaner Aero 20-25, 26-35, 400, 440, 640, 840 Alternative to Original 107402338 by Microsafe: Amazon.co.uk: DIY & Tools