For everyday household use; for vacuuming household dirt and debris, and sawdust. For dry pick-up only. Fits most Vacmaster Wet/Dry vacs 12 to 16 gallon. Fits most Shop-Vac® Wet/Dry Vacuum Cleaners (12 to 14 gallon).* *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.