Replacement Filter Fits Shop Vac 90304 4YourHome Replacement Filter Fits Shop Vac 90304 WET/DRY- Fits Shop Vac Wet Dry Vacuums COMPATIBLE- Compatible filter that replaces Genuine - 90304 9030400 903-04-00 903-04 CHECK YOUR FIT- Dimensions for product provided in description to ensure you purchase the correct quality filter for your Shop Vac. Manufacturers names &amp; part numbers are used for reference purpose only, please check your application and if you have any questions please feel free to contact us! Thanks for shopping 4YourHome