Product Overview The primary, washable filter assembly for the Windtunnel Air models is located inside of the top of the dirt bin. Once the dust bin assembly is removed from the vacuum cleaner, twist the lid/handle to expost 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. It's VERY IMPORTANT that this filter be air dried for at least 24 hours before reinstalling it into the vacuum for use. Many people puchase a spare filter to use while one is drying. It's recommended that this filter be cleaned at least every 30 days, or if the vacuum suddenly looses suction replace hoover part number 303903001 designed to fit the Hoover Windtunnel Air Lightweight Bagless Upright model UH70400. Details: Product Dimensions: 6.3 x 5.5 x 1.7 inches Item Weight: 1.6 ounces Shipping Weight: 1.6 ounces Manufacturer: Envirocare Item model number: 303903001 Features: This is the foam type washable primary filter for the Hoover Windtunnel Air Bagless Upright model UH70400, and UH70405. This filter is located directly underneath of the Dust Cup Lid, and should be washed every 30 days to ensure peak performance of your WindTunnel Air.

• Hoover Wind-tunnel Air Bag-less Upright Vacuum Primary Filte
• Fits Hoover WindTunnel Air, Windtunnel 3 Pro Bagless Uprights
• This 2 Pack of Filters Ensures You Always Have a Clean, Dry Filter Ready To Use at all Times.
• Works with Hoover Bagless Upright Models; UH72400, UH70400, WindTunnel Air Bagless Upright UH70400, UH70935, UH70930, UH70905, UH70931PC, UH72405, UH70901PC, UH72400DI, WindTunnel 3 Pro Bagless Upright UH70901PC, UH70403PC, UH70404,
• UH72409, UH70905DI, UH70401PC, UH70403, UH70402TV, UH70402, UH72405PC, UH70401, UH72401, UH72400RM, UH70406PC

Hoover Wind-tunnel Air Bag-less Upright Vacuum Primary FilteBattery filter