This is a brand new washable & reusable Hoover Windtunnel T-Series Pre-Motor replacement filter by Crucial Vacuum that replaces Part Number 303173001. This replacement filter is located inside of the top of the dirt bin. Once you remove the dust bin assembly from the vacuum cleaner, twist the lid/handle to expose the primary filter. Pull the tab on the filter to remove it from the dust bin. Rinse the filter under warm water, until the filter no longer is visibly dirty. Please allow the filter to be air dried for at least 24 hours before reinstalling it into your Hoover vacuum for use. Many people purchase a second filter to use while one is drying. For optimal performance for your vacuum, it"s recommended that this filter be cleaned at least every 30 days, or if the vacuum suddenly looses suction. Designed to fit the following Hoover Vacuum Cleaners:UH70205, UH30310, UH30300, UH70130, UH70116, UH70210, UH70215, UH70211, UH70212, UH70200, UH70110, UH70120, UH70105, UH70100, UH70100 WindTunnel Purely Pet, UH70105 WindTunnel Purely Pet, UH70106 WindTunnel Purely Pet, UH70107 WindTunnel Purely Pet,UH70110 WindTunnel Series Rewind, UH70115 WindTunnel Series, UH70116 WindTunnel Series, UH70120 WindTunnel Series Rewind, UH70130 WindTunnel Series Rewind, UH70200 WindTunnel Series, UH70205 WindTunnel Series, UH70210 WindTunnel Series, UH70211 WindTunnel Series, UH70212 WindTunnel Series, UH70215 WindTunnel Series