For everyday household use; for vacuuming household dirt and debris, and sawdust. Fits Vacmaster 4 to 16 Gallon Wet/Dry Vacuums. Fits most Shop-Vac® 5 to 16 Gallon Wet/Dry Vacuums.* *This is not a product of, nor is it sponsored or endorsed by Shop-Vac®. Shop-Vac® is the registered trademark of the Shop-Vac Corporation.