[Reminder]: 90304 filter or 90585 foam sleeve Separate use Foam sleeves are not to be used with filters, they are to be used separately. You can use either the 90304 filter or the 90585 foam sleeve, but never use both at the same time! You may not place this foam sleeve on the outside of the 90304 filter, as this will damage the foam sleeve or the filter.The filter and sleeve are used separately, the sleeve is not suitable for wearing on the filter.
【Washable and Reusable】:These filters are washable and reusable. it is recommended to replace the filter every 3-6 months according to your use.
【Foam Sleeve Filter Compatible Models】:foam cover/foam filter, suitable for wet vacuum cleaners (single wet vacuum cleaner foam cover) suitable for most Shop Vac cleaners.
【Simple Installation】: Easy to be installed, no tools required.High Quality cartridge filter can trap effectively 99.97% dust. having a clean air to breathe again。