Hoover Seconday Filter

Hoover Windtunnel self-propelled secondary filter.
Fits all bagged models of Windtunnel self-propelled including model numbers U6400-000 through U6499-999.
Small filter inside the bag chamber, under the bag.
Check monthly, clean or replace as needed.
Hoover part numbers's for this filter are 38765019 or 3876502
Filter media may be green or white in color.