Hoover filter # 40110004. Hoover package # 38766-009 / 38766009.

Designed to fit all NON Self Propelled Hoover WindTunnels, Hoover Bagless WidePath, EmPower, Fold Away, and PowerMax Bagless uprights with Hoover Allergen Filtration. Hoover final filter made by Hoover.2 filters in a pack. Exhaust filter that fits in the door on the side of the upright vacuum.

This Hoover final filter measure approximately 6 5/8"" x 3 5/16"" x 1/2"". It has one white layer. Older versions had a green layer, a yellow layer and a white layer.

Fits (but not limited to) Hoover models: C1701900, U5014900, U5016900, U5018900, U5140900, U5144900, U5145900, U5146900, U5148900, U5150900, U52719RM, U52729RM, U53019RM, U53029RM, U5348911, U5402900, U5409955, U5416900, U54219RM, U5436950, U5438960, U5453900, U5458900, U5458910, U5460900, U5462900, U5467900, U5468900, U5470900, U5481980, U5491900, U5491950, UH30015, UH30030HD.