EnviroCare Replacement HEPA Vacuum Fits: Hoover WindTunnel Canister Vacuum Cleaners (1) Hoover WindTunnel, 1 electrostatic chamber pleated filter w/activated Charcoal esigned to fit original manufacture #: 43611-042, 43611042 Replaces: 40140201 Dimensions: Approximately 3 1/4" diameter, 4" high EnviroCare Premium aftermarket Part #925