Hoover 303902001 Exhaust HEPA Filter for WindTunnel Air Models UH70400 & UH70405, Genuine 1pk. Features: -Hoover Windtunnel Exhaust HEPA Filter, Fits Hoover UH70400, WindTunnel Air UH70400 & UH70045-Inclues Rubber Filter Gasket on New Filter-Recommended to Be Replaced Once Every 9-12 Months for Normal Homes, Every 6 Months for Homes with Breathing Problems s |