This is a genuine manufacturer approved replacement cartridge filter. It is specially designed for use with Shop-Vac vacuums. Its purpose is to filter out dust and debris from contaminating the unit. This filter is H12 filtration class and retains 99.97% of particles down to 0.3 micron. It is made out of paper with plastic and it is sold
...Read moreindividually. Please note, the foam filter is sold separately. Replacing this filter is easy and it does not require any tools. • With the tank cover in an upside down position, slide the cartridge filter down over the lid cage • Push until the filter seals against the cover • Place filter retainer into the top of the cartridge filter • Hold the tank cover with one hand and turn the handle on the filter retainer clockwise to tighten
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