Shop-Vac 9030400 Cartridge Filter
Product description Can be used for wet or dry pickup. Fits all 5 to 25 gallon Shop Vac wet dry vacuums. From the Manufacturer This cartridge filter has a non-stick surface makes for easy clean up and resists clogging. It is 99.97% efficient dow to 0.3 micron. Fits Shop-Vac® Brand wet/dry vacuums 5-gallon and up.