Air UH70400 Filter Bundle Kit Fits for Hoover WindTunnel , Includes 303902001 & 303903001 Includes 1 Set of Both Filters on the Hoover UH70400 Models, Including Which Fit Hoover* Primary Washable Foam Filters Part 303903001, and Hoover* HEPA Exhaust Cartridge Filters Part 303902001. Recommended to Be Replaced Once Every 9-12 Months for Normal Homes, Every 6 Months for Homes with Breathing Problems such as Asthma, as well as Allergy Sufferers High Quality Replacement Filter Which Meets or Exceed OEM Hoover Filters. If You're Not Fully Satisfied with the Size, Fit, or Quality, We'll Pay for the Return Shipping and Issue a Full Refund. 2 Filters Included, (1) Primary Washable Foam Filter, (1) Exhaust HEPA Cartridge Filter. This Convenient Bundle Kit of Hoover WindTunnel Air Filters! Fits for the following models: Hoover WindTunnel Air Bagless Upright models: UH70400, UH70401, UH70400BCA, UH70402, UH70402TV, UH70404, UH70900, UH72409DI, UH70402PC, UH70404PC HEPA Filter DOES NOT FIT: Air Whole Home models: UH70403 , UH72400, UH72409, UH72401, UH70400PC, UH70401PC, XUH72400, UH70400PDI, UH72400PDI, UH72405, XUH72401, UH70400CA, UH70400FDI, UH72400FDI , UH70403PC, UH72405PC, UH72406QPC Hoover WindTunnel 3 Pro Bagless Upright models: UH70905, UH70930, UH70935, UH70901PC , UH70909, UH70939, UH70905DI, UH70900CDI, UH70930FDI, UH70930CA, UH70931PC