Hoover Part#4010100Y - (9 Type Y bags & (2) 38528-033 belts) bags Fits: Hoover WindTunnel Upright vacuums Compare With Hoover Part # 4010100Y Traps Microscopic Particles and Allergens 99.7% Filtration By EnviroCare part #856-9 belts Fits select Hoover Windtunnel Upright models, which use the Hoover 38528033 belt Also for Commercial WindTunnel Bagless, Bagless Widepath, Bagless PowerMAX, Bagged Catlina, and both Bagged Tempo and Bagless Tempo models Package includes 9 HOOVER Y BAGS & 2 #033 BELTS