Hoover Three-Layer Final Filter for WindTunnel Vacuums, 40110004
Fits original manufacture part numbers below: Set #40110004, 38766009, 38766-009, 38766007 Designed to fit the vacuum models listed below and more: Hoover Bagless Uprights With Hoover Allergen Filtration: Style Model Numbers Hoover WindTunnel Non Self Propelled Designed to fit but not limited to these models. C1701900, C1701-900, U5014900, U5014-900, U5016900, U5016-900, U5018900, U5018-900, U5140900, U5140-900, U5144900, U5144-900, U5145900, U5145-900, U5146900, U5146-900, U5148900, U5148-900, U5150900, U5150-900, U52719RM, U5271-9RM U52729RM, U5272-9RM, U53019RM, U5301-9RM, U53029RM, U5302-9RM, U5348911, U5348-911, U5402900, U5402-900, U5409955, U5409-955, U5416900, U5416-900, U54219RM, U5421-9RM, U5436950, U5436-950, U5438960, , U5438-960, U5453900, U5453-900, U5458900, U5458-900, U5458910, U5458-910, U5460900, U5460-900, U5462900, U5460-900, U5467900, , U5467-900, U5468900, U5468-900, U5470900, U5470-900, U5481980, U5481-980, U5491900, U5491-900, U5491950, U5491-950, UH30015, UH30030HD, , U6439-900, U6453-900, U6454-900, U6630-900, U6634-900 Widepath All with Allergen Filtration Empower All with Allergen Filtration Foldaway All with Allergen Filtration (newermodels) Powermax All with Allergen Filtration Dimensions: 6 5/8" x 3 5/16" x 1/2" This filter does not fit Self-Propelled WindTunnel vacuums. It fits inside the filter door on the side. HEPA filtration systems trap and seal-in 100% of dust mites, pollens, ragweed, mold spurs, microscopic particles, bacteria, dust mites, germs as small as 0.1 micron., other allergy causing agents, and 99.9% of pet dander.