This is a genuine OEM Hoover WindTunnel T-Series Exhaust HEPA Cartridge Filter With Frame, for all Hoover T-Series Windtunnels, Bagged and Bagless. It's important to use only OEM Hoover Filters while your vacuum is under warranty, as use of a non Hoover Filter can damage your vacuum, and void your warranty. Fits Hoover part numbers 303172002, and 303172001. Filter is located directly below the dust cup assembly, and slides out. New Filter includes the frame, and is assembled and ready to be used. Fits Hoover T-Series Upright Models; UH30300, UH30300, UH70100, UH70105, UH70106, UH70107, UH70200, UH70110, UH70115, UH70116, UH70120, UH70130, UH70205, and UH70212.