Hoover Windtunnel COMPLETE Service Kit : Hoover WindTunnel Upright Type Y Bags- 9 Pack PLUS 15 inch Roller Brush and Self Propelled Belt Kit Complete Service Kit including Hoover Y Bags, V Belt, Flat Belt and Roller Brush to fit Hoover Power Drive / Self Propelled Upright Vacuums! Hoover Y Bags- 99.7% Filtration, Traps Microscopic Particles and Allergies The Hoover Y Bags are generic vacuum bags manufactured by Envirocare and are compared with Hoover Part # 4010100Y. 15" Wooden Brush Roller- generic part which compared to OEM part numbers 48414069 and 48414160. V and Flat Belt- are ORIGINAL Hoover parts (38528034 & 38528035).