Replacement Filter For Shop Vac Filters 90304 Wet Dry Vac Filter - Perfect for Wet/Dry compatible with Shop Vac Vacuums - Long Lasting - High Absorption : Amazon.ca: Home
90304 Replacement HEPA Cartridge Filters with Lid, Compatible with Shop-Vac Shop Vac 90304, 90350, 90333, 903-04-00, 9030400, 90585 5 Gallon and Above Wet Dry Vacuum Cleaners, 2 Pack : Amazon.ca: Home
Shop-Vac® Standard Cartridge Filter | Canadian Tire
90304 Type U cartridge filter fits for Shop-Vac 6 Gal Wet/ Dry Vacuum SL14-350A | eBay
HQRP H12 Cartridge Filter for Shop-vac 90304 (Type U) Replacement; Full Size Vacs, 903-04-00 / 903-04 for most Wet / Dry Vacuum | Walmart Canada