FILTERWEARS Pre-Filter F145 Fits Shop-Vac Wet Dry Vacs 90304 Cartridge Filter
5391-K
Direct from manufacturer. Made in the USA.
Filter material: 100% monofilament polyester with water repellent finish standard on all prefilters.
Black, closed top, Round straight pre-filter.
Fits Shop-Vac Air Filter: 90304