Nilfisk/Alto Motor Cooling Filter Kit - for Attix 30 & 50 models - recommended for use in a dusty work
environment, ie, construction demolition, drywall sanding, etc.
If you're an auto detailer, you don't need this filter! Kit
includes filter element, filter housing with gasket, and mounting
hardware including T15 torx bit. Assembly bolts to the vacuum at
the inlet vent to filter the cooling air being drawn into the
machine. Can significantly prolong motor life.
Click on photo to enlarge image.