Hoover Windtunnel T-series Bagless Upright Supply Kit Fits All T-series Windtunnel Uprights (1) Hoover WindTunnel T-Series Bagless Primary Filter, Part 303173001 (1) Hoover WindTunnel T-Series Exhaust HEPA Filter Cartridge, Part 303172002 (2) Hoover WindTunnel T-Series Drive Belts, Package AH20065 (belt part # is 562289001)