Use the Shop-Vac foam sleeve for picking up wet messes when used alone. The foam sleeve is also required when using reusable dry filters. The approximate size of the foam sleeve is 8 in Dia and 6-1/2 in H. The foam sleeve is required unless you are using a cartridge filter. It fit's Shop-Vac brand wet dry vacuums 5 gal and above (except 5 gal portable model H87S, 5 gal HangUp®, 5 gal Wall Mount and 6 gal long life model P12S vacuums).

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/Shop_Vac_100000829_Catalog.pdf