Think Crucial Replacements for Shop Vac Filter Cartridge and Foam Filter Sleeve Fits 5 Gallon & Up Wet & Dry Vacs, Compatible with Part 9030400 and 9058500 HIGH QUALITY CARTRIDGE FILTER & FOAM SLEEVE replaces your existing Shop-Vac filter and sleeve. Get back to having a clean air to breathe again! Fits Shop-Vac 5-Gallon and Up Wet/Dry Vacuums. HEALTHIER LIFESTYLE! No one wants breathe dirty air in their home and if you don't clean your air filter that will be exactly what you'll be doing! Replacing your filter will help clean your air purifier's air and allow for a healthier lifestyle! This filter helps keep our household dust, fine powders, and drywall and cement dust. EASY TO INSTALL so you can get back to cleaning as soon as possible! Simply remove your old filter and put this brand new one in it's place! Compare to Shop-Vac Part Nos. 9030400, 9058500. SAVE MONEY by using a new air filter! When your vacuum has a clogged or dirty air filter it can cause it to work harder which will end up hurting your electric bill! HEALTHIER LIFESTYLE! No one wants breathe dirty air in their home and if you don't change your vacuum filter that will be exactly what you'll be doing! Replacing your filter will help clean your vacuum's exhaust and allow for a healthier lifestyle! This filter helps keep our household dust, pollen and mold spores.