Review on 🧹 LINNIW Replacement Cartridge Filter & Foam Sleeve Compatible with Shop-Vac 90304 90350 90333 - Fits Most 5 Gallon and up Wet/Dry Vacuums - Compare to Part # 90304, 90585 (2) by Beth Allen

At first I thought the foam sleeves were too small but when I looked at the detail pictures they shouldn't go through the dry filters. They are designed to be used with the wet end of the vacuum cleaner. The filter cartridges seemed to work to keep them sitting straight, but that may have been because the box was warm outside. Let's see what happens if they stay inside for a while.