Fits inside the filter door of WindTunnel Self-Propelled uprights and WindTunnel Bagless uprights with the Allergen Filtration System. Includes 2 filters per pack. Measures 10 7/16" x 3 5/16" x 1/2". Originally produced with green, yellow and white layers - now comes in just white. Change every 3 to 6 months.

Hoover Part Number: 40110006 | 38766021