Safeguard your wet/dry vac while picking up liquid impurities with the CRAFTSMAN Foam Sleeve. This filter for wet/dry vacs is a wet application foam sleeve that fits most Shop Vac brand vacs and can be used for wet pick-ups only. This filter is washable and reusable. To ensure maximum performance of your shop vacuum cleaner， replace wet dry vac filters regularly. This is NOT a product of， nor is it sponsored or endorsed by Shop-Vac Corp. Shop-Vac is a registered trademark of Shop-Vac Corp.